SB2008013102 - Improper link resolution before file access ('link following') in Linux kernel
Published: January 31, 2008
Security Bulletin ID
SB2008013102
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- 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-2007-4998)
CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')
CVSSv4: 8.5 [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]
The vulnerability allows a local user to execute arbitrary code.
cp, when running with an option to preserve symlinks on multiple OSes, allows local, user-assisted attackers to overwrite arbitrary files via a symlink attack using crafted directories containing multiple source files that are copied to the same destination.
Remediation
Install update from vendor's website.