SB2019031332 - Fedora 28 update for PyYAML
Published: March 13, 2019 Updated: April 24, 2025
Security Bulletin ID
SB2019031332
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2017-18342)
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to insufficient validation of user-supplied input in the "yaml.load()" API (yaml.safe_load is not used). A remote attacker can execute arbitrary code on the target system.
Remediation
Install update from vendor's website.