google/fscrypt · Security
Privilege Escalation in fscrypt
- GHSA ID
- GHSA-qj26-7grj-whg3
- CVE ID
- CVE-2018-6558
- Severity
- medium
- Published
- Updated
- CVSS
- 6.5 · CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- CVSS v3
- 6.5 · CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
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).
References
- https://nvd.nist.gov/vuln/detail/CVE-2018-6558 ↗
- https://github.com/google/fscrypt/issues/77 ↗
- https://github.com/google/fscrypt/commit/3022c1603d968c22f147b4a2c49c4637dd1be91b ↗
- https://github.com/google/fscrypt/commit/315f9b042237200174a1fb99427f74027e191d66 ↗
- https://launchpad.net/bugs/1787548 ↗
- https://pkg.go.dev/vuln/GO-2020-0027 ↗
- https://github.com/advisories/GHSA-qj26-7grj-whg3 ↗