SB2012071204 - Race condition in Freedesktop systemd
Published: July 12, 2012 Updated: August 11, 2020
Security Bulletin ID
SB2012071204
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Race condition (CVE-ID: CVE-2012-1174)
The vulnerability allows a remote non-authenticated attacker to manipulate or delete data.
The rm_rf_children function in util.c in the systemd-logind login manager in systemd before 44, when logging out, allows local users to delete arbitrary files via a symlink attack on unspecified files, related to "particular records related with user session."
Remediation
Install update from vendor's website.
References
- http://cgit.freedesktop.org/systemd/systemd/commit/?id=5ebff5337594d690b322078c512eb222d34aaa82
- http://lists.fedoraproject.org/pipermail/package-announce/2012-April/079075.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:030
- http://www.openwall.com/lists/oss-security/2012/03/16/21
- https://bugzilla.redhat.com/show_bug.cgi?id=803358