Information Disclosure
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
How It Works
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security. This happens through multiple channels: verbose error messages that display stack traces revealing internal paths and frameworks, improperly secured debug endpoints left active in production, and misconfigured servers that expose directory listings or version control artifacts like .git folders. APIs often leak excessive data in responses—returning full user objects when only a name is needed, or revealing system internals through metadata fields.
Attackers exploit these exposures systematically. They probe for common sensitive files (.env, config.php, backup archives), trigger error conditions to extract framework details, and analyze response timing or content differences to enumerate valid usernames or resources. Even subtle variations—like "invalid password" versus "user not found"—enable account enumeration. Exposed configuration files frequently contain database credentials, API keys, or internal service URLs that unlock further attack vectors.
The attack flow typically starts with passive reconnaissance: examining HTTP headers, JavaScript bundles, and public endpoints for version information and architecture clues. Active probing follows—testing predictable paths, manipulating parameters to trigger exceptions, and comparing responses across similar requests to identify information leakage patterns.
Impact
- Credential compromise: Exposed configuration files, hardcoded secrets in source code, or API keys enable direct authentication bypass
- Attack surface mapping: Stack traces, framework versions, and internal paths help attackers craft targeted exploits for known vulnerabilities
- Data breach: Direct exposure of user data, payment information, or proprietary business logic through oversharing APIs or accessible backups
- Privilege escalation pathway: Internal URLs, service discovery information, and architecture details facilitate lateral movement and SSRF attacks
- Compliance violations: GDPR, PCI-DSS, and HIPAA penalties for exposing regulated data through preventable disclosures
Real-World Examples
A major Git repository exposure affected thousands of websites when .git folders remained accessible on production servers, allowing attackers to reconstruct entire source code histories including deleted commits containing credentials. Tools like GitDumper automated mass exploitation of this misconfiguration.
Cloud storage misconfigurations have repeatedly exposed sensitive data when companies left S3 buckets or Azure Blob containers publicly readable. One incident exposed 150 million voter records because verbose API error messages revealed the storage URL structure, and no authentication was required.
Framework debug modes left enabled in production have caused numerous breaches. Django's DEBUG=True setting exposed complete stack traces with database queries and environment variables, while Laravel's debug pages revealed encryption keys through the APP_KEY variable in environment dumps.
Mitigation
- Generic error pages: Return uniform error messages to users; log detailed exceptions server-side only
- Disable debug modes: Enforce production configurations that suppress stack traces, verbose logging, and debug endpoints through deployment automation
- Access control audits: Restrict or remove development artifacts (
.git, backup files,phpinfo()) and internal endpoints before deployment - Response minimization: API responses should return only necessary fields; implement allowlists rather than blocklists for data exposure
- Security headers: Deploy
X-Content-Type-Options, remove server version banners, and disable directory indexing - Timing consistency: Ensure authentication and validation responses take uniform time regardless of input validity
Recent CVEs (71005)
In ImageMagick before 7.0.8-25, a memory leak exists in WriteDIBImage in coders/dib.c. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
In ImageMagick before 7.0.8-25 and GraphicsMagick through 1.3.31, several memory leaks exist in WritePDFImage in coders/pdf.c. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
In ImageMagick before 7.0.8-25, a memory leak exists in ReadSIXELImage in coders/sixel.c. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
In ImageMagick before 7.0.8-25, a memory leak exists in WritePSDChannel in coders/psd.c. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
An issue was discovered in /bin/goahead on D-Link DIR-823G devices with firmware 1.02B03. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
slixmpp version before commit 7cd73b594e8122dddf847953fcfc85ab4d316416 contains an incorrect Access Control vulnerability in XEP-0223 plugin (Persistent Storage of Private Data via PubSub) options. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
libarchive version commit bf9aec176c6748f0ee7a678c5f9f9555b9a757c1 onwards (release v3.0.2 onwards) contains a CWE-125: Out-of-bounds Read vulnerability in 7zip decompression,. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
API Platform version from 2.2.0 to 2.3.5 contains an Incorrect Access Control vulnerability in GraphQL delete mutations that can result in a user authorized to delete a resource can delete any. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Gitea version 1.6.2 and earlier contains a Incorrect Access Control vulnerability in Delete/Edit file functionallity that can result in the attacker deleting files outside the repository he/she has. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity.
TeamPass version 2.1.27 and earlier contains a Storing Passwords in a Recoverable Format vulnerability in Shared password vaults that can result in all shared passwords are recoverable server side. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Session fixation exists in ZoneMinder through 1.32.3, as an attacker can fixate his own session cookies to the next logged-in user, thereby hijacking the victim's account. Rated high severity (CVSS 7.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A Time-of-check Time-of-use (TOCTOU) Race Condition exists in ZoneMinder through 1.32.3 as a session remains active for an authenticated user even after deletion from the users table. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.
png_image_free in png.c in libpng 1.6.x before 1.6.37 has a use-after-free because png_image_free_function is called under png_safe_execute. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required. Public exploit code available.
Limited plaintext disclosure exists in PRIMX Zed Entreprise for Windows before 6.1.2240, Zed Entreprise for Windows (ANSSI qualification submission) before 6.1.2150, Zed Entreprise for Mac before. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
In Poppler 0.73.0, a heap-based buffer over-read (due to an integer signedness error in the XRef::getEntry function in XRef.cc) allows remote attackers to cause a denial of service (application. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
In the GNU C Library (aka glibc or libc6) through 2.29, the memcmp function for the x32 architecture can incorrectly return zero (indicating that the inputs are equal) because the RDX most. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
Artica Proxy 3.06.200056 allows remote attackers to execute arbitrary commands as root by reading the ressources/settings.inc ldap_admin and ldap_password fields, using these credentials at. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
An issue was discovered in rcp in NetKit through 0.17. Rated high severity (CVSS 7.4), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.
An issue was discovered in OpenSSH 7.9. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable, no authentication required.
In Keybase before 2.12.6 on macOS, the move RPC to the Helper was susceptible to time-to-check-time-to-use bugs and would also allow one user of the system (who didn't have root access) to tamper. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
SchedMD Slurm before 17.11.13 and 18.x before 18.08.5 mishandles 32-bit systems. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
ARM Trusted Firmware-A allows information disclosure. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
In libdoc through 2019-01-28, calcFileBlockOffset in ole.c allows division by zero. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A heap-based buffer over-read was discovered in wasm::WasmBinaryBuilder::processFunctions() in wasm/wasm-binary.cpp (when calling wasm::WasmBinaryBuilder::getFunctionIndexName) in Binaryen 1.38.22. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
An issue was discovered in elfutils 0.175. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available.
A heap-based buffer over-read was discovered in the function read_srclines in dwarf_getsrclines.c in libdw in elfutils 0.175. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
A buffer over-read exists in the function crc64ib in crc64.c in nasmlib in Netwide Assembler (NASM) 2.14rc16. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
In elfutils 0.175, there is a buffer over-read in the ebl_object_note function in eblobjnote.c in libebl. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
An issue was discovered in Foxit 3D Plugin Beta before 9.4.0.16807 for Foxit Reader and PhantomPDF. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The GD Graphics Library (aka LibGD) 2.2.5 has a double free in the gdImage*Ptr() functions in gd_gif_out.c, gd_jpeg.c, and gd_wbmp.c. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Incorrect access control in migla_ajax_functions.php in the Calmar Webmedia Total Donations plugin through 2.0.5 for WordPress allows unauthenticated attackers to update arbitrary WordPress option. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
libvips before 8.7.4 generates output images from uninitialized memory locations when processing corrupted input image data because iofuncs/memory.c does not zero out allocated memory. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Use of Uninitialized Resource vulnerability could allow attackers to access uninitialized memory causing crashes or information disclosure.
An issue was discovered in phpMyAdmin before 4.8.5. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required.
An issue was discovered in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability in Cisco AMP Threat Grid could allow an authenticated, remote attacker to access sensitive information. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability in the CLI of Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an authenticated, local attacker to access the shell of the underlying Linux operating system on the. Rated medium severity (CVSS 5.3), this vulnerability is low attack complexity. No vendor patch available.
A vulnerability in the web-based management interface of Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers could allow an authenticated, remote attacker with administrative privileges. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability in the Cisco Connected Mobile Experiences (CMX) software could allow an unauthenticated, adjacent attacker to access sensitive data on an affected device. Rated medium severity (CVSS 4.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
An issue has been found in libIEC61850 v1.3.1. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
The ASPEED ast2400 and ast2500 Baseband Management Controller (BMC) hardware and firmware implement Advanced High-performance Bus (AHB) bridges, which allow arbitrary read and write access to the. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
An improper authorization vulnerability exists in Jenkins 2.158 and earlier, LTS 2.150.1 and earlier in core/src/main/java/hudson/security/AuthenticationProcessingFilter2.java that allows attackers. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
An improper authorization vulnerability exists in Jenkins 2.158 and earlier, LTS 2.150.1 and earlier in core/src/main/java/hudson/security/TokenBasedRememberMeServices2.java that allows attackers. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
sc_context_create in ctx.c in libopensc in OpenSC 0.19.0 has a memory leak, as demonstrated by a call from eidenv. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
GattLib 0.2 has a stack-based buffer over-read in gattlib_connect in dbus/gattlib.c because strncpy is misused. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Premisys Identicard version 3.1.190 database uses default credentials. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Premisys Identicard version 3.1.190 stores backup files as encrypted zip files. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An information disclosure vulnerability exists when Team Foundation Server does not properly handle variables marked as secret, aka "Team Foundation Server Information Disclosure Vulnerability." This. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
Vulnerability in the Oracle VM VirtualBox component of Oracle Virtualization (subcomponent: Core). Rated high severity (CVSS 8.8), this vulnerability is low attack complexity.
Vulnerability in the Oracle VM VirtualBox component of Oracle Virtualization (subcomponent: Core). Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
Vulnerability in the Oracle Solaris component of Oracle Sun Systems Products Suite (subcomponent: DHCP Client). Rated high severity (CVSS 7.5), this vulnerability is no authentication required.
Vulnerability in the Oracle VM VirtualBox component of Oracle Virtualization (subcomponent: Core). Rated high severity (CVSS 7.8).
Vulnerability in the Oracle VM VirtualBox component of Oracle Virtualization (subcomponent: Core). Rated high severity (CVSS 8.8), this vulnerability is low attack complexity.
Vulnerability in the Oracle VM VirtualBox component of Oracle Virtualization (subcomponent: Core). Rated high severity (CVSS 7.8).
Vulnerability in the Oracle VM VirtualBox component of Oracle Virtualization (subcomponent: Core). Rated high severity (CVSS 7.8).
Vulnerability in the Oracle VM VirtualBox component of Oracle Virtualization (subcomponent: Core). Rated high severity (CVSS 7.8).
Vulnerability in the Oracle VM VirtualBox component of Oracle Virtualization (subcomponent: Core). Rated high severity (CVSS 7.8).
Vulnerability in the Oracle VM VirtualBox component of Oracle Virtualization (subcomponent: Core). Rated high severity (CVSS 8.8), this vulnerability is low attack complexity.
Vulnerability in the Core RDBMS component of Oracle Database Server. Rated high severity (CVSS 8.2), this vulnerability is low attack complexity.
Vulnerability in the PeopleSoft Enterprise PeopleTools component of Oracle PeopleSoft Products (subcomponent: XML Publisher). Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity.
Vulnerability in the PeopleSoft Enterprise PeopleTools component of Oracle PeopleSoft Products (subcomponent: XML Publisher). Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity.
Vulnerability in the PeopleSoft Enterprise PeopleTools component of Oracle PeopleSoft Products (subcomponent: Application Server). Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity.
Vulnerability in the Oracle HTTP Server component of Oracle Fusion Middleware (subcomponent: Web Listener). Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
Vulnerability in the Sun ZFS Storage Appliance Kit (AK) component of Oracle Sun Systems Products Suite (subcomponent: Object Store). Rated medium severity (CVSS 6.4).
Vulnerability in the Core RDBMS component of Oracle Database Server. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity.
Vulnerability in the PeopleSoft Enterprise PeopleTools component of Oracle PeopleSoft Products (subcomponent: Security). Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable.
An issue was discovered in GNU Recutils 1.8. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
An issue was discovered in GNU Recutils 1.8. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
An issue was discovered in GNU Recutils 1.8. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
An issue was discovered in GNU Recutils 1.8. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
An issue was discovered in NTPsec before 1.1.3. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
An issue was discovered in NTPsec before 1.1.3. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Zemana AntiMalware before 3.0.658 Beta mishandles update logic. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The implementations of streams for bz2 and php://output improperly implemented their readImpl functions, returning -1 consistently. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Juniper ATP uses DES and a hardcoded salt for password hashing, allowing for trivial de-hashing of the password file contents.0 versions prior to 5.0.3. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Juniper ATP Series Splunk credentials are logged in a file readable by authenticated local users. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
A persistent cross-site scripting (XSS) vulnerability in the Snort Rules configuration of Juniper ATP may allow authenticated user to inject arbitrary script and steal sensitive data and credentials. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity.
A persistent cross-site scripting (XSS) vulnerability in the Zone configuration of Juniper ATP may allow authenticated user to inject arbitrary script and steal sensitive data and credentials from a. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity.
A persistent cross-site scripting (XSS) vulnerability in RADIUS configuration menu of Juniper ATP may allow authenticated user to inject arbitrary script and steal sensitive data and credentials from. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity.
A persistent cross-site scripting (XSS) vulnerability in the Email Collectors menu of Juniper ATP may allow authenticated user to inject arbitrary script and steal sensitive data and credentials from. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity.
A persistent cross-site scripting (XSS) vulnerability in the Golden VM menu of Juniper ATP may allow authenticated user to inject arbitrary script and steal sensitive data and credentials from a web. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity.
On Juniper ATP, secret passphrase CLI inputs, such as "set mcm", are logged to /var/log/syslog in clear text, allowing authenticated local user to be able to view these secret information.0 versions. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A persistent cross-site scripting (XSS) vulnerability in the file upload menu of Juniper ATP may allow an authenticated user to inject arbitrary scripts and steal sensitive data and credentials from. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity.
A malicious authenticated user may be able to delete a device from the Junos Space database without the necessary privileges through crafted Ajax interactions obtained from another legitimate delete. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability in the SRX Series Service Gateway allows deleted dynamic VPN users to establish dynamic VPN connections until the device is rebooted. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
On EX2300 and EX3400 series, high disk I/O operations may disrupt the communication between the routing engine (RE) and the packet forwarding engine (PFE). Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
The vMX Series software uses a predictable IP ID Sequence Number. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
On Juniper ATP, the API key and the device key are logged in a file readable by authenticated local users. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
On EX2300 and EX3400 series, stateless firewall filter configuration that uses the action 'policer' in combination with other actions might not take effect. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability was found in sssd. Rated medium severity (CVSS 5.2), this vulnerability is low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
An issue was discovered in the function mark_beginning_as_normal in nfa.c in flex 2.6.4. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.