#VU19283 Improper Link Resolution Before File Access ('Link Following') in GNU patch - CVE-2019-13636

 

#VU19283 Improper Link Resolution Before File Access ('Link Following') in GNU patch - CVE-2019-13636

Published: July 22, 2019 / Updated: July 22, 2019


Vulnerability identifier: #VU19283
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-13636
CWE-ID: CWE-59
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
GNU patch
Software vendor:
GNU

Description

The vulnerability allows a local user to gain unauthorized access to files or directories on a targeted system.

The vulnerability exists due to the software mishandles the following of symlinks in certain cases other than input files in the "inp.c" and "util.c" files. A local authenticated user can gain unauthorized access to read or modify files and directories on a targeted system.

Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links