SB2019031330 - Fedora 30 update for PyYAML



SB2019031330 - Fedora 30 update for PyYAML

Published: March 13, 2019 Updated: April 24, 2025

Security Bulletin ID SB2019031330
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • 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.