SB2023110650 - Denial of service in libtiff 



SB2023110650 - Denial of service in libtiff

Published: November 6, 2023

Security Bulletin ID SB2023110650
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Heap-based buffer overflow (CVE-ID: CVE-2020-18768)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the _TIFFmemcpy() function in tif_unix.c. A remote attacker can pass specially crafted image to the application, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.