SB2018082326 - Input validation error in Google, fscrypt
Published: August 23, 2018 Updated: August 8, 2020
Security Bulletin ID
SB2018082326
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2018-6558)
The vulnerability allows a remote authenticated user to manipulate data.
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).
Remediation
Install update from vendor's website.