SB2006050501 - Security restrictions bypass in Linux kernel
Published: May 5, 2006
Security Bulletin ID
SB2006050501
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Security restrictions bypass (CVE-ID: CVE-2006-1052)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform service disruption.
The selinux_ptrace logic in hooks.c in SELinux for Linux 2.6.6 allows local users with ptrace permissions to change the tracer SID to an SID of another process.
Remediation
Install update from vendor's website.
References
- http://marc.info/?l=git-commits-head&m=114210002712363&w=2
- http://marc.info/?l=selinux&m=114226465106131&w=2
- http://secunia.com/advisories/19955
- http://secunia.com/advisories/20157
- http://secunia.com/advisories/21465
- http://secunia.com/advisories/22093
- http://secunia.com/advisories/22417
- http://selinuxnews.org/wp/index.php/2006/03/13/security-ptrace-bug-cve-2006-1052/
- http://support.avaya.com/elmodocs2/security/ASA-2006-200.htm
- http://www.debian.org/security/2006/dsa-1184
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:086
- http://www.osvdb.org/25232
- http://www.redhat.com/support/errata/RHSA-2006-0575.html
- http://www.securityfocus.com/bid/17830
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10102
- https://usn.ubuntu.com/281-1/