SB2003080701 - Security restrictions bypass in Linux kernel
Published: August 7, 2003 Updated: November 6, 2024
Security Bulletin ID
SB2003080701
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Security restrictions bypass (CVE-ID: CVE-2003-0501)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear
The vulnerability allows a local user to gain access to sensitive information.
The /proc filesystem in Linux allows local users to obtain sensitive information by opening various entries in /proc/self before executing a setuid program, which causes the program to fail to change the ownership and permissions of those entries.
Remediation
Install update from vendor's website.
References
- http://marc.info/?l=bugtraq&m=105621758104242
- http://www.debian.org/security/2004/dsa-358
- http://www.debian.org/security/2004/dsa-423
- http://www.redhat.com/support/errata/RHSA-2003-198.html
- http://www.redhat.com/support/errata/RHSA-2003-238.html
- http://www.redhat.com/support/errata/RHSA-2003-239.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A328