SB2022041516 - Denial of service in Asterisk Open Source



SB2022041516 - Denial of service in Asterisk Open Source

Published: April 15, 2022

Security Bulletin ID SB2022041516
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) Resource exhaustion (CVE-ID: CVE-2022-26498)

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

The vulnerability exists due to application does not properly control consumption of internal resources ub res_stir_shaken module. A remote attacker can force the application to download large files that are not certificates, which can result in a denial of service condition.


Remediation

Install update from vendor's website.