SB2018042437 - Buffer overflow in MuPDF



SB2018042437 - Buffer overflow in MuPDF

Published: April 24, 2018 Updated: August 8, 2020

Security Bulletin ID SB2018042437
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) Buffer overflow (CVE-ID: CVE-2016-8729)

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

An exploitable memory corruption vulnerability exists in the JBIG2 parser of Artifex MuPDF 1.9. A specially crafted PDF can cause a negative number to be passed to a memset resulting in memory corruption and potential code execution. An attacker can specially craft a PDF and send to the victim to trigger this vulnerability.


Remediation

Install update from vendor's website.