SB2024080744 - SUSE update for shadow 



SB2024080744 - SUSE update for shadow

Published: August 7, 2024

Security Bulletin ID SB2024080744
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-ID: CVE-2013-4235)

The vulnerability allows a local user to delete or modify arbitrary files on the system.

The vulnerability exists due to a race condition in shadow-utils when executing usermod/userdel operations. A local user with write access to the directory that is being moved or deleted by the usermod/userdel commands can modify or delete arbitrary files on the system.

Successful exploitation of the vulnerability may allow an attacker to corrupt arbitrary files on the system and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.