Vulnerability in Google Fscrypt
CVE-2018-6558
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).
EPSS: 0.006 (46.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Google Fscrypt
- The Fscrypt Project — versions before 0.2.4
References
- security@ubuntu.com (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- security@ubuntu.com (Patch, Third Party Advisory, x_refsource_MISC)
- security@ubuntu.com (Patch, Third Party Advisory, x_refsource_MISC)
- security@ubuntu.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
Frequently asked questions
- What is CVE-2018-6558?
- CVE-2018-6558 is a medium-severity vulnerability in Google Fscrypt. CVSS score: 6.5/10. Published 2018-08-23.
- How severe is CVE-2018-6558?
- Medium severity. CVSS v3 base score is 6.5 out of 10.