Out-of-bounds write in pjsip - CVE-2022-24786
Published: May 12, 2022
Vulnerability identifier: #VU63100
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-2022-24786
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when parsing RTCP feedback RPSI (Reference Picture Selection Indication) packet. A remote attacker can trigger out-of-bounds write and execute arbitrary code on the target system.
Affected software
pjsip
Debian Linux
Gentoo Linux
net-libs/pjproject
asterisk (Debian package)
Debian Linux
Gentoo Linux
net-libs/pjproject
asterisk (Debian package)
How to mitigate CVE-2022-24786
Install updates from vendor's website.
pjsip - update to 2.12.1
net-libs/pjproject - update to 2.12.1
asterisk (Debian package) - update to 1:16.28.0~dfsg-0+deb11u1
net-libs/pjproject - update to 2.12.1
asterisk (Debian package) - update to 1:16.28.0~dfsg-0+deb11u1