#VU69301 UNIX symbolic link following in sendmail - CVE-2022-31256 

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Main Vulnerability Database Vulnerabilities #VU69301

#VU69301 UNIX symbolic link following in sendmail - CVE-2022-31256

Published: November 14, 2022


Vulnerability identifier: #VU69301
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-31256
CWE-ID: CWE-61
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
sendmail
Software vendor:
SUSE

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a symlink following issue in a script called by the sendmail systemd service. A local user can create a specially crafted symbolic link to a critical file on the system and escalate privileges from mail to root.


Remediation

Install updates from vendor's website.

External links