Description
When mount.ecrpytfs_private before version 87-0ubuntu1.2 calls setreuid() it doesn't also set the effective group id. So when it creates the new version, mtab.tmp, it's created with the group id of the user running mount.ecryptfs_private.
Metrics
CVSS 3.0 9.8/10
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://bazaar.launchpad.net/~ecryptfs/ecryptfs/trunk/revision/558Patch, Third Party Advisory
- http://bazaar.launchpad.net/~ecryptfs/ecryptfs/trunk/revision/558Patch, Third Party Advisory
Timeline
- Published
- Apr 22, 2019
- Last modified
- Jun 16, 2026
- NVD status
- Modified