#VU109792 Input validation error in Certified Asterisk and Asterisk Open Source - CVE-2025-47779

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Main Vulnerability Database Vulnerabilities #VU109792

#VU109792 Input validation error in Certified Asterisk and Asterisk Open Source - CVE-2025-47779

Published: May 26, 2025


Vulnerability identifier: #VU109792
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:U/U:Green
CVE-ID: CVE-2025-47779
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Certified Asterisk
Asterisk Open Source
Software vendor:
Digium (Linux Support Services)

Description

The vulnerability allows a remote user to perform spoofing attack.

The vulnerability exists due to insufficient validation of MESSAGE SIP requests when handling the From header with a semicolon or NULL in the name portion. A remote authenticated user can spoof any user identity to send spam messages to the application users.


Remediation

Install updates from vendor's website.

External links