Buffer overflow in pjsip - CVE-2022-39244

Vulnerability identifier: #VU69270

CSH Severity: High

CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-39244

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within PJSIP parser, PJMEDIA RTP decoder, and PJMEDIA SDP parser. A remote attacker can send specially crafted data to the application, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

pjsip
Gentoo Linux
Debian Linux
Ubuntu
ring (Ubuntu package)
ring-daemon (Ubuntu package)
net-libs/pjproject
asterisk (Debian package)
jami (Ubuntu package)
jami-daemon (Ubuntu package)

Install update from vendor's website.

pjsip - update to 2.13
ring (Ubuntu package) - addressed in versions Ubuntu Pro, 20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1
ring-daemon (Ubuntu package) - addressed in versions Ubuntu Pro, 20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1
net-libs/pjproject - update to 2.12.1
asterisk (Debian package) - update to 1:16.28.0~dfsg-0+deb11u2
jami (Ubuntu package) - addressed in versions 20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1, 20230206.0~ds1-5ubuntu0.1, 20230206.0~ds2-1.3ubuntu0.1
jami-daemon (Ubuntu package) - addressed in versions 20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1, 20230206.0~ds1-5ubuntu0.1, 20230206.0~ds2-1.3ubuntu0.1

• https://github.com/pjsip/pjproject/commit/c4d34984ec92b3d5252a7d5cddd85a1d3a8001ae
• https://github.com/pjsip/pjproject/security/advisories/GHSA-fq45-m3f7-3mhj

• Multiple vulnerabilities in pjsip
• Gentoo update for PJSIP
• Debian update for asterisk
• Ubuntu update for ring
• Ubuntu update for ring