gdm/guest-session-cleanup.sh in gdm-guest-session 0.24 and earlier, as used in Ubuntu…
Priority LOW 11CWE-264Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
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.
Why it matters now
EPSS 0.00376 31st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gdm-guest-session_project:gdm-guest-session:*:*:*:*:*:*:*:* | up to 0.24 | Vulnerable | Gdm-guest-session Project |
| cpe:2.3:a:gdm-guest-session_project:gdm-guest-session:0.20:*:*:*:*:*:*:* | 0.20 | Vulnerable | Gdm-guest-session Project |
| cpe:2.3:a:gdm-guest-session_project:gdm-guest-session:0.21:*:*:*:*:*:*:* | 0.21 | Vulnerable | Gdm-guest-session Project |
| cpe:2.3:a:gdm-guest-session_project:gdm-guest-session:0.22:*:*:*:*:*:*:* | 0.22 | Vulnerable | Gdm-guest-session Project |
| cpe:2.3:a:gdm-guest-session_project:gdm-guest-session:0.23:*:*:*:*:*:*:* | 0.23 | Vulnerable | Gdm-guest-session Project |
| cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:* | 10.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:* | 10.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:* | 11.04 | Vulnerable | Canonical |
- cpe:2.3:a:gdm-guest-session_project:gdm-guest-session:*:*:*:*:*:*:*:* Versions up to 0.24 Vulnerable ·Gdm-guest-session Project
- cpe:2.3:a:gdm-guest-session_project:gdm-guest-session:0.20:*:*:*:*:*:*:* Versions 0.20 Vulnerable ·Gdm-guest-session Project
- cpe:2.3:a:gdm-guest-session_project:gdm-guest-session:0.21:*:*:*:*:*:*:* Versions 0.21 Vulnerable ·Gdm-guest-session Project
- cpe:2.3:a:gdm-guest-session_project:gdm-guest-session:0.22:*:*:*:*:*:*:* Versions 0.22 Vulnerable ·Gdm-guest-session Project
- cpe:2.3:a:gdm-guest-session_project:gdm-guest-session:0.23:*:*:*:*:*:*:* Versions 0.23 Vulnerable ·Gdm-guest-session Project
- cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:* Versions 10.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:* Versions 10.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:* Versions 11.04 Vulnerable ·Canonical
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2012-6648
- 2026-10-03 Alias added: GHSA-cjj6-j9p7-88r5
References
Sources
- CVE-2012-6648 · CVE Program
- CVE-2012-6648 · NVD
- FIRST EPSS
- GHSA-cjj6-j9p7-88r5 · GitHub Advisory Database · CC BY 4.0
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