CVEvulnerability
CVE-2018-6558
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2018-08-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 6.5 MEDIUM — CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- CVSS 2.0 ([email protected])
- 4.9 MEDIUM — AV:N/AC:M/Au:S/C:N/I:P/A:P
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).
Affected configurations
• google fscrypt (< 0.2.4)
References
- https://github.com/google/fscrypt/commit/3022c1603d968c22f147b4a2c49c4637dd1be91b Patch, Third Party Advisory
- https://github.com/google/fscrypt/commit/315f9b042237200174a1fb99427f74027e191d66 Patch, Third Party Advisory
- https://github.com/google/fscrypt/issues/77 Issue Tracking, Third Party Advisory
- https://launchpad.net/bugs/1787548 Issue Tracking, Patch, Third Party Advisory
- https://github.com/google/fscrypt/commit/3022c1603d968c22f147b4a2c49c4637dd1be91b Patch, Third Party Advisory
- https://github.com/google/fscrypt/commit/315f9b042237200174a1fb99427f74027e191d66 Patch, Third Party Advisory
- https://github.com/google/fscrypt/issues/77 Issue Tracking, Third Party Advisory
- https://launchpad.net/bugs/1787548 Issue Tracking, Patch, Third Party Advisory