CVE-2012-6648
Description
gdm/guest-session-cleanup.sh in gdm-guest-session 0.24 and earlier, as used in Ubuntu Linux 10.04 LTS, 10.10, and 11.04, allows local users to delete arbitrary files via a space in the name of a file in /tmp. NOTE: this identifier was SPLIT from CVE-2012-0943 per ADT1/ADT2 due to different codebases and affected versions. CVE-2012-0943 is used for the guest-account issue.
Predictions
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
Ubuntu Affected 3 releases
| Version | Status | Fixed in |
|---|---|---|
| 11.04 | Affected | — |
| 10.10 | Affected | — |
| 10.04 | Affected | — |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| gdm-guest-session_project | gdm-guest-session | {"endIncluding":"0.24"} | |
| gdm-guest-session_project | gdm-guest-session | 0.20 | |
| gdm-guest-session_project | gdm-guest-session | 0.21 | |
| gdm-guest-session_project | gdm-guest-session | 0.22 | |
| gdm-guest-session_project | gdm-guest-session | 0.23 | |
References
- http://ubuntu.com/usn/usn-1399-1
- https://bugs.launchpad.net/ubuntu/%2Bsource/lightdm/%2Bbug/953044
- https://launchpadlibrarian.net/96474113/gdm-guest-session.secure-cleanup.debdiff
- http://ubuntu.com/usn/usn-1399-1
- https://bugs.launchpad.net/ubuntu/%2Bsource/lightdm/%2Bbug/953044
- https://launchpadlibrarian.net/96474113/gdm-guest-session.secure-cleanup.debdiff
CWEs
CWE-264
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.