CVE-2012-6648
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.
Date published : 2014-05-22
https://bugs.launchpad.net/ubuntu/%2Bsource/lightdm/%2Bbug/953044
https://launchpadlibrarian.net/96474113/gdm-guest-session.secure-cleanup.debdiff