SB2017110312 - Command execution in Mercurial



SB2017110312 - Command execution in Mercurial

Published: November 3, 2017

Security Bulletin ID SB2017110312
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) OS command injection (CVE-ID: CVE-2017-17458)

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

The weakness exists due to cross repositories modification. A remote attacker can send a specially crafted mercurial repository and trigger arbitrary commands on a client during commands such as clone or update.

Remediation

Install update from vendor's website.