lightdm before 0.9.6 writes in .dmrc and Xauthority files using root permissions while the files are in user controlled folders. A local user can overwrite root-owned files via a symlink, which can allow possible privilege escalation.
2019-11-19T22:15:11.007
2024-11-21T01:30:18.847
Modified
CVSSv3.1: 7.8 (HIGH)
AV:L/AC:L/Au:N/C:C/I:C/A:C
3.9
10.0
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | lightdm_project | lightdm | < 0.9.6 | Yes |