CVE-2012-6648

Severity: low (CVSS 2.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-05-22 · updated 2026-06-16
Weakness: CWE-264

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.

Affected products

Canonical Ubuntu Linux: 10.04, 10.10, 11.04
Gdm-Guest-Session Project Gdm-Guest-Session: through 0.24; 0.20, 0.21, 0.22, 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

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