Libpcap
CVE-2019-15164
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V4 - API and Web Service URL allowlisting, SSRF prevention
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Credential Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 5.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could make the server perform requests to unintended internal or external resources by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
rpcapd/daemon.c in libpcap before 1.9.1 allows SSRF because a URL may be provided as a capture source. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Server-Side Request Forgery (SSRF) vulnerability could allow attackers to make the server perform requests to unintended internal or external resources.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Validate and allowlist destination URLs, block requests to internal networks, use network segmentation.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Server-Side Request Forgery (SSRF) (CWE-918), which allows attackers to make the server perform requests to unintended internal or external resources. rpcapd/daemon.c in libpcap before 1.9.1 allows SSRF because a URL may be provided as a capture source. Affected products include: Tcpdump Libpcap. Version information: before 1.9.1.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
rpcapd/daemon.c in libpcap before 1.9.1 allows SSRF because a URL may be provided as a capture source.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Server-Side Request Forgery exploits applications that fetch remote resources based on user-supplied URLs.
Affected Products (CPE)NVD
Unvalidated BPF scratch-register array index in libpcap's user-space BPF interpreter allows a local attacker with low pr
Denial of service in libpcap before 1.10.7 allows an unauthenticated remote attacker to hang the offline BPF filter inte
rpcapd/daemon.c in libpcap before 1.9.1 allows attackers to cause a denial of service (NULL pointer dereference and daem
Division by zero in libpcap's BPF interpreter can crash any application using the library when processing a crafted filt
Process termination via crafted BPF filter in libpcap allows a local attacker with low privileges to crash any applicati
Out-of-bounds memory reads in libpcap's userland BPF interpreter allow a local attacker who can supply a crafted filter
sf-pcapng.c in libpcap before 1.9.1 does not properly validate the PHB header length before allocating memory. Rated med
rpcapd/daemon.c in libpcap before 1.9.1 on non-Windows platforms provides details about why authentication failed, which
rpcapd/daemon.c in libpcap before 1.9.1 mishandles certain length values because of reuse of a variable. Rated medium se
Remote memory disclosure in libpcap's rpcap client allows a malicious or compromised rpcap server to cause a connected c
Remote packet capture support is disabled by default in libpcap. Rated medium severity (CVSS 4.4), this vulnerability is
Memory exhaustion in libpcap's rpcapd remote capture daemon allows an authenticated remote client to degrade or crash th
Exploit-DB