CVE-2012-6648
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in. Limited direct impact.
- Exploit odds
- 0.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.4% in the next 30 days (EPSS).
- Severity: 2.1 LOW (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.4% · EPSS, next 30 days
- Weakness
- CWE-264
- Record status
- Modified
Affected
- gdm-guest-session Project gdm-guest-session ≤ 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
- Canonical Ubuntu Linux 10.04
- Canonical Ubuntu Linux 10.10
- Canonical Ubuntu Linux 11.04
Attack profile CVSS 2.0 · 2.1
- Attack vector
- Local
- Complexity
- Low
- Authentication
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- Partial
Raw vector
AV:L/AC:L/Au:N/C:N/I:N/A:P
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2012-6648.md and follow it. Check whether this project is affected by CVE-2012-6648. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
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