Privilege Escalation in fscrypt · CVE-2018-6558 · GitHub Advisory Database · GitHub

Privilege Escalation in fscrypt

Moderate severity GitHub Reviewed Published Jun 23, 2021 to the GitHub Advisory Database • Updated May 20, 2024

Package

github.com/google/fscrypt (Go)

Affected versions

< 0.2.4

Patched versions

0.2.4

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

Reviewed May 20, 2021

Published to the GitHub Advisory Database Jun 23, 2021

Last updated May 20, 2024

Severity

Moderate

6.5

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

Low

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N