CVE-2019-13636

MEDIUM

GNU patch <2.7.6 - Info Disclosure

Title source: llm

Description

In GNU patch through 2.7.6, the following of symlinks is mishandled in certain cases other than input files. This affects inp.c and util.c.

References (12)

[Mailing List, Patch, Vendor Advisory] https://git.savannah.gnu.org/cgit/patch.git/commit/?id=dce4683cbbe107a95f1f0d45fabc304acfb5d71a

[Various Sources] https://github.com/irsl/gnu-patch-vulnerabilities

View Writeup ZIP pw:eip

[Third Party Advisory] https://lists.debian.org/debian-lts-announce/2019/07/msg00016.html

[Mailing List] https://seclists.org/bugtraq/2019/Aug/29

[Mailing List] https://seclists.org/bugtraq/2019/Jul/54

[Vendor Advisory] https://usn.ubuntu.com/4071-1/

[Vendor Advisory] https://usn.ubuntu.com/4071-2/

[Vendor Advisory] https://security.netapp.com/advisory/ntap-20190828-0001/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVWWGISFWACROJJPVJJL4UBLVZ7LPOLT/

[Third Party Advisory] https://www.debian.org/security/2019/dsa-4489

[Third Party Advisory] https://security.gentoo.org/glsa/201908-22

[Exploit, Third Party Advisory] http://packetstormsecurity.com/files/154124/GNU-patch-Command-Injection-Directory-Traversal.html

Scores

CVSS v3 5.9

EPSS 0.0441

EPSS Percentile 88.8%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Classification

CWE

CWE-59

Status published

Affected Products (1)

gnu/patch < 2.7.6

Timeline

Published Jul 17, 2019

Tracked Since Feb 18, 2026