Race condition in systemd - CVE-2012-1174
Published: July 12, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43885
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2012-1174
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Freedesktop.org
Affected software:
systemd
systemd
Detailed vulnerability description
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."
How to mitigate CVE-2012-1174
Install update from vendor's website.
Sources
- 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