CVE-2012-0871
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
6.3
Description
The session_link_x11_socket function in login/logind-session.c in systemd-logind in systemd, possibly 37 and earlier, allows local users to create or overwrite arbitrary files via a symlink attack on the X11 user directory in /run/user/.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| 12.1 | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 43-1 |
| sid | Fixed | 43-1 |
| forky | Fixed | 43-1 |
| bullseye | Fixed | 43-1 |
| bookworm | Fixed | 43-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| systemd_project | systemd | {"endIncluding":"037"} | |
| systemd_project | systemd | 1 | |
| systemd_project | systemd | 2 | |
| systemd_project | systemd | 3 | |
| systemd_project | systemd | 4 | |
| systemd_project | systemd | 5 | |
| systemd_project | systemd | 6 | |
| systemd_project | systemd | 7 | |
| systemd_project | systemd | 8 | |
| systemd_project | systemd | 9 | |
| systemd_project | systemd | 10 | |
| systemd_project | systemd | 11 | |
| systemd_project | systemd | 12 | |
| systemd_project | systemd | 13 | |
| systemd_project | systemd | 14 | |
| systemd_project | systemd | 15 | |
| systemd_project | systemd | 16 | |
| systemd_project | systemd | 17 | |
| systemd_project | systemd | 18 | |
| systemd_project | systemd | 19 | |
| systemd_project | systemd | 20 | |
| systemd_project | systemd | 21 | |
| systemd_project | systemd | 22 | |
| systemd_project | systemd | 23 | |
| systemd_project | systemd | 24 | |
| systemd_project | systemd | 25 | |
| systemd_project | systemd | 26 | |
| systemd_project | systemd | 27 | |
| systemd_project | systemd | 28 | |
| systemd_project | systemd | 29 | |
| systemd_project | systemd | 30 | |
| systemd_project | systemd | 31 | |
| systemd_project | systemd | 32 | |
| systemd_project | systemd | 33 | |
| systemd_project | systemd | 34 | |
| systemd_project | systemd | 35 | |
| systemd_project | systemd | 36 | |
References
- http://cgit.freedesktop.org/systemd/systemd/commit/?id=fc3c1c6e091ea16ad5600b145201ec535bbb5d7c
- http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00030.html
- http://www.osvdb.org/79768
- https://bugzilla.novell.com/show_bug.cgi?id=747154
- https://bugzilla.redhat.com/show_bug.cgi?id=795853
- https://security-tracker.debian.org/tracker/CVE-2012-0871
CWEs
CWE-59
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.