SB2020013111 - Remote command execution in RubyGem secure_headers



SB2020013111 - Remote command execution in RubyGem secure_headers

Published: January 31, 2020

Security Bulletin ID SB2020013111
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) OS Command Injection (CVE-ID: CVE-2020-5217)

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to insufficient validation of user-supplied input in "append/override_content_security_policy_directives". A remote unauthenticated attacker can inject a semicolon, use it to override a script directive and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.