SB2019011409 - Security restrictions bypass in PolicyKit
Published: January 14, 2019
Security Bulletin ID
SB2019011409
Severity
Low
Patch available
NO
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) Security restrictions bypass (CVE-ID: CVE-2019-6133)
The vulnerability allows a remote attacker to bypass security restrictions on the target system.
The vulnerability exists due to fork() is not atomic, and therefore authorization decisions are improperly cached, related to lack of uid checking in polkitbackend/polkitbackendinteractiveauthority.c. A remote unauthenticated attacker can bypass the "start time" protection mechanism
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.