SB2016050604 - Input validation error in imagemagick (Alpine package)



SB2016050604 - Input validation error in imagemagick (Alpine package)

Published: May 6, 2016

Security Bulletin ID SB2016050604
Severity
Critical
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2016-3714)

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

The weakness exists due to insufficient filtering for filename passed to delegate's command. A remote attacker can create a specially crafted image containing shell metacharacters, trick the victim into opening it via application using ImageMagick, will trigger an input validation flaw and execute arbitrary shell commands with privileges of the current user.

Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

Remediation

Install update from vendor's website.