SB2011053105 - Race condition in Freedesktop PolicyKit
Published: May 31, 2011 Updated: August 11, 2020
Security Bulletin ID
SB2011053105
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Race condition (CVE-ID: CVE-2011-1485)
CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Race condition in the pkexec utility and polkitd daemon in PolicyKit (aka polkit) 0.96 allows local users to gain privileges by executing a setuid program from pkexec, related to the use of the effective user ID instead of the real user ID.
Remediation
Install update from vendor's website.
References
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058752.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-May/059859.html
- http://secunia.com/advisories/48817
- http://security.gentoo.org/glsa/glsa-201204-06.xml
- http://securityreason.com/securityalert/8424
- http://www.debian.org/security/2011/dsa-2319
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:086
- http://www.redhat.com/support/errata/RHSA-2011-0455.html
- http://www.ubuntu.com/usn/USN-1117-1
- https://bugzilla.redhat.com/show_bug.cgi?id=692922