CVE-2018-6558
Privilege escalation in github.com/google/fscrypt
6.5
MEDIUM
CVSS 3.1
EPSS 0.14%
Description
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).
How to fix CVE-2018-6558
To remediate CVE-2018-6558, upgrade the affected package to a fixed version below.
- —upgrade to 0.2.4-1 or later
- —upgrade to 0.2.4 or later
- —upgrade to 0.2.4 or later
Is CVE-2018-6558 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 0.2.4-1
- from 0, < 0.2.4
- from 0, < 0.2.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |