SB2011040101 - Link following in gdm
Published: April 1, 2011 Updated: August 11, 2020
Security Bulletin ID
SB2011040101
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 security vulnerability.
1) Link following (CVE-ID: CVE-2011-0727)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
GNOME Display Manager (gdm) 2.x before 2.32.1 allows local users to change the ownership of arbitrary files via a symlink attack on a (1) dmrc or (2) face icon file under /var/cache/gdm/.
Remediation
Install update from vendor's website.
References
- http://ftp.gnome.org/pub/GNOME/sources/gdm/2.32/gdm-2.32.1.news
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057333.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057931.html
- http://mail.gnome.org/archives/gdm-list/2011-March/msg00020.html
- http://secunia.com/advisories/43714
- http://secunia.com/advisories/43854
- http://secunia.com/advisories/44021
- http://securitytracker.com/id?1025264
- http://www.debian.org/security/2011/dsa-2205
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:070
- http://www.redhat.com/support/errata/RHSA-2011-0395.html
- http://www.securityfocus.com/bid/47063
- http://www.ubuntu.com/usn/USN-1099-1
- http://www.vupen.com/english/advisories/2011/0786
- http://www.vupen.com/english/advisories/2011/0787
- http://www.vupen.com/english/advisories/2011/0797
- http://www.vupen.com/english/advisories/2011/0847
- http://www.vupen.com/english/advisories/2011/0911
- https://bugzilla.redhat.com/show_bug.cgi?id=688323
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66377