CVE-2018-6558
fscrypt: The pam_fscrypt module in fscrypt before 0.2.4 may incorrectly restore primary and supplementary group IDs to the val...
CVE-2018-6558 is fixed in 3 products on 1 platform, first by fscrypt 0.2.2-0ubuntu2.1, released August 23, 2018. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0062
50th percentile
The pam_fscrypt module in fscrypt before 0.2.4 may incorrectly restore primary and supplementary group IDs to the values associated with the root user, which allows attackers to gain privileges via a successful login through certain applications that use Linux-PAM (aka pam).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| fscrypt · Ubuntu 18.04.6 LTS (bionic) | 0.2.2-0ubuntu2.1 | fscrypt 0.2.2-0ubuntu2.1 | Aug 23, 2018 |
| golang-github-google-fscrypt-dev · Ubuntu 18.04.6 LTS (bionic) | 0.2.2-0ubuntu2.1 | golang-github-google-fscrypt-dev 0.2.2-0ubuntu2.1 | Aug 23, 2018 |
| libpam-fscrypt · Ubuntu 18.04.6 LTS (bionic) | 0.2.2-0ubuntu2.1 | libpam-fscrypt 0.2.2-0ubuntu2.1 | Aug 23, 2018 |