SB20240905106 - Denial of service in Asterisk



SB20240905106 - Denial of service in Asterisk

Published: September 5, 2024

Security Bulletin ID SB20240905106
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2024-42491)

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

The vulnerability exists due to a NULL pointer dereference error when handling malformed Contact or Record-Route URI in an incoming SIP request. A remote attacker can send a specially crafted SIP request to the server and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.