Reachable Assertion in Drachtio Server - CVE-2022-47516

Vulnerability identifier: #VU73166

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-47516

CWE-ID: CWE-617

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to a reachable assertion within libsofia-sip-ua/tport/tport.c. A remote attacker can send a specially crafted UDP request to the server and perform a denial of service attack.

Drachtio Server
Debian Linux
Ubuntu
openEuler
libsofia-sip-ua-glib3 (Ubuntu package)
sofia-sip-bin (Ubuntu package)
libsofia-sip-ua0 (Ubuntu package)
sofia-sip (Debian package)
sofia-sip
sofia-sip-debuginfo
sofia-sip-debugsource
sofia-sip-devel

Install updates from vendor's website.

Drachtio Server - update to 0.8.20
libsofia-sip-ua-glib3 (Ubuntu package) - addressed in versions Ubuntu Pro, 1.12.11+20110422.1+1e14eea~dfsg-3ubuntu0.1, 1.12.11+20110422.1-2.1+deb10u3ubuntu0.20.04.1, 1.12.11+20110422.1-2.1+deb10u3ubuntu0.22.04.1, 1.12.11+20110422.1-2.1+deb10u3build0.18.04.1
sofia-sip-bin (Ubuntu package) - addressed in versions Ubuntu Pro, 1.12.11+20110422.1+1e14eea~dfsg-3ubuntu0.1, 1.12.11+20110422.1-2.1+deb10u3ubuntu0.20.04.1, 1.12.11+20110422.1-2.1+deb10u3ubuntu0.22.04.1, 1.12.11+20110422.1-2.1+deb10u3build0.18.04.1
libsofia-sip-ua0 (Ubuntu package) - addressed in versions Ubuntu Pro, 1.12.11+20110422.1+1e14eea~dfsg-3ubuntu0.1, 1.12.11+20110422.1-2.1+deb10u3ubuntu0.20.04.1, 1.12.11+20110422.1-2.1+deb10u3ubuntu0.22.04.1, 1.12.11+20110422.1-2.1+deb10u3build0.18.04.1
sofia-sip (Debian package) - update to 1.12.11+20110422.1-2.1+deb11u1
sofia-sip - update to 1.13.12-2
sofia-sip-debuginfo - update to 1.13.12-2
sofia-sip-debugsource - update to 1.13.12-2
sofia-sip-devel - update to 1.13.12-2

• https://github.com/davehorton/sofia-sip/commit/13b2a135287caa2d67ac6cd5155626821e25b377
• https://github.com/drachtio/drachtio-server/issues/244
• https://lists.debian.org/debian-lts-announce/2023/02/msg00028.html

• Multiple DoS vulnerabilities in Drachtio Server
• Ubuntu update for sofia-sip
• Debian update for sofia-sip
• openEuler 24.03 LTS SP3 update for sofia-sip
• openEuler 24.03 LTS SP1 update for sofia-sip