CVE-2012-1174: Race Condition
First published: Wed Mar 14 2012(Updated: )
A TOCTOU race condition was found in the way the systemd-logind login manager of the systemd, a system and service manager for Linux, performed removal of particular records related with user session upon user logout. A local attacker could use this flaw to conduct symbolic link attacks, potentially leading to removal of arbitrary system file.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Systemd | =43 |
Remedy
http://cgit.freedesktop.org/systemd/systemd/commit/?id=5ebff5337594d690b322078c512eb222d34aaa82
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=570001&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=570001&action=edit
- https://access.redhat.com/security/cve/CVE-2012-1174
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=803358#c3
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=804118
- http://cgit.freedesktop.org/systemd/systemd/commit/?id=5ebff5337594d690b322078c512eb222d34aaa82
- https://bugzilla.redhat.com/show_bug.cgi?id=803358
- 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
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