Source: asterisk Version: 1:22.3.0~dfsg+~cs6.15.60671435-1 Severity: grave Tags: security upstream Justification: user security hole X-Debbugs-Cc: car...@debian.org, Debian Security Team <t...@security.debian.org>
Hi, The following vulnerability was published for asterisk. CVE-2025-47779[0]: | Asterisk is an open-source private branch exchange (PBX). Prior to | versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and | versions 18.9-cert14 and 20.7-cert5 of certified-asterisk, SIP | requests of the type MESSAGE (RFC 3428) authentication do not get | proper alignment. An authenticated attacker can spoof any user | identity to send spam messages to the user with their authorization | token. Abuse of this security issue allows authenticated attackers | to send fake chat messages can be spoofed to appear to come from | trusted entities. Even administrators who follow Security best | practices and Security Considerations can be impacted. Therefore, | abuse can lead to spam and enable social engineering, phishing and | similar attacks. Versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of | Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified- | asterisk fix the issue. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2025-47779 https://www.cve.org/CVERecord?id=CVE-2025-47779 [1] https://github.com/asterisk/asterisk/security/advisories/GHSA-2grh-7mhv-fcfw [2] https://github.com/asterisk/asterisk/commit/3d117fbb39cf192b67dfafd38acb64e0e5b31f3a Please adjust the affected versions in the BTS as needed. Regards, Salvatore
