SB2017122814 - Fedora 27 update for asterisk



SB2017122814 - Fedora 27 update for asterisk

Published: December 28, 2017 Updated: April 24, 2025

Security Bulletin ID SB2017122814
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) Improper input validation (CVE-ID: CVE-2017-17850)

The vulnerability allows a remote authenticated attacker to cause DoS condition on the target system.

The vulnerability exists due to an error when processing malicious SIP data. A remote attacker can send specially crafted SIP data without a contact header, trigger an error in the PJSIP channel driver and cause the service to crash.

Successful exploitation of the vulnerability results in denial of service.


Remediation

Install update from vendor's website.