SB2018042436 - Out-of-bounds write in MuPDF



SB2018042436 - Out-of-bounds write in MuPDF

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

Security Bulletin ID SB2018042436
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) Out-of-bounds write (CVE-ID: CVE-2016-8728)

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

An exploitable heap out of bounds write vulnerability exists in the Fitz graphical library part of the MuPDF renderer. A specially crafted PDF file can cause a out of bounds write resulting in heap metadata and sensitive process memory corruption leading to potential code execution. Victim needs to open the specially crafted file in a vulnerable reader in order to trigger this vulnerability.


Remediation

Install update from vendor's website.