SB2017062810 - Red Hat update for Mercurial



SB2017062810 - Red Hat update for Mercurial

Published: June 28, 2017

Security Bulletin ID SB2017062810
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) Remote code execution (CVE-ID: CVE-2017-9462)

The vulnerability allows a remote authenticated attacker to execute arbitrary code on the target system.

The weakness exists due to improper input validation in "hg serve --stdio". A remote attacker can use --debugger as a repository name and consequently execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

Remediation

Install update from vendor's website.