CVE-2019-13636 Information

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.

CVSS Vector

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

Reference

http://packetstormsecurity.com/files/154124/GNU-patch-Command-Injection-Directory-Traversal.html https://git.savannah.gnu.org/cgit/patch.git/commit/?id=dce4683cbbe107a95f1f0d45fabc304acfb5d71a https://github.com/irsl/gnu-patch-vulnerabilities https://lists.debian.org/debian-lts-announce/2019/07/msg00016.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SVWWGISFWACROJJPVJJL4UBLVZ7LPOLT/ https://seclists.org/bugtraq/2019/Aug/29 https://seclists.org/bugtraq/2019/Jul/54 https://security.gentoo.org/glsa/201908-22 https://security.netapp.com/advisory/ntap-20190828-0001/ https://usn.ubuntu.com/4071-1/ https://usn.ubuntu.com/4071-2/ https://www.debian.org/security/2019/dsa-4489

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

5.9