SB2020022409 - Improper Access Control in PyYAML component for Python



SB2020022409 - Improper Access Control in PyYAML component for Python

Published: February 24, 2020

Security Bulletin ID SB2020022409
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) Improper access control (CVE-ID: CVE-2019-20477)

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the "load" and "load_all" functions. A remote attacker can bypass implemented security restrictions and gain unauthorized access to the application.


Remediation

Install update from vendor's website.