What is the CVSS score of CVE-2018-19052?

CVE-2018-19052 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 14.1%.

Is there a public PoC exploit available for CVE-2018-19052?

Yes, a public proof-of-concept exploit is available for CVE-2018-19052. Prioritise patching immediately. EPSS: 14.1%.

Is there a patch available for CVE-2018-19052?

Yes, a patch is available for CVE-2018-19052. Update the affected software to the latest version immediately.

Debian Linux CVE-2018-19052

HIGH

Path Traversal (CWE-22)

2018-11-07 cve@mitre.org

Path Traversal Debian Debian Linux Leap Suse Lighttpd Backports Sle Opensuse Suse Linux Enterprise Server

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Nov 07, 2018 - 05:29 nvd

HIGH 7.5

DescriptionNVD

An issue was discovered in mod_alias_physical_handler in mod_alias.c in lighttpd before 1.4.50. There is potential ../ path traversal of a single directory above an alias target, with a specific mod_alias configuration where the matched alias lacks a trailing '/' character, but the alias target filesystem path does have a trailing '/' character.

AnalysisAI

An issue was discovered in mod_alias_physical_handler in mod_alias.c in lighttpd before 1.4.50. 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.

Technical ContextAI

This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. An issue was discovered in mod_alias_physical_handler in mod_alias.c in lighttpd before 1.4.50. There is potential ../ path traversal of a single directory above an alias target, with a specific mod_alias configuration where the matched alias lacks a trailing '/' character, but the alias target filesystem path does have a trailing '/' character. Affected products include: Lighttpd, Opensuse Backports Sle, Opensuse Leap, Suse Suse Linux Enterprise Server, Debian Debian Linux. Version information: before 1.4.50..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.