SB2008021204 - Improper link resolution before file access ('link following') in Linux kernel



SB2008021204 - Improper link resolution before file access ('link following') in Linux kernel

Published: February 12, 2008

Security Bulletin ID SB2008021204
CSH 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 vulnerability.


1) Improper link resolution before file access ('link following') (CVE-ID: CVE-2008-0163)

CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')

CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a local user to read and manipulate data.

Linux kernel 2.6, when using vservers, allows local users to access resources of other vservers via a symlink attack in /proc.


Remediation

Install update from vendor's website.