SB2021061023 - NULL pointer dereference in lrzip



SB2021061023 - NULL pointer dereference in lrzip

Published: June 10, 2021 Updated: May 25, 2022

Security Bulletin ID SB2021061023
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) NULL pointer dereference (CVE-ID: CVE-2020-25467)

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

The vulnerability exists due to a NULL pointer dereference error in the lzo_decompress_buf in stream.c. A remote attacker can trick the victim to open a specially crafted compressed file and trigger denial of service conditions.


Remediation

Install update from vendor's website.