Buffer overflow in pjsip - CVE-2023-27585

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Main Vulnerability Database Vulnerabilities #VU77708

Buffer overflow in pjsip - CVE-2023-27585

Published: June 26, 2023 / Updated: July 15, 2023


Vulnerability identifier: #VU77708
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-2023-27585
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a boundary error within PJSIP DNS resolver. A remote attacker can send a specially crafted DNS request to the application, trigger memory corruption and perform a denial of service (DoS) attack.


Affected software

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

How to mitigate CVE-2023-27585

Install updates from vendor's website.

pjsip - update to 2.13.1
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 2.13.1
asterisk (Debian package) - update to 1:16.28.0~dfsg-0+deb11u3
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
ring (Debian package) - update to 20230206.0~ds2-1.1+deb12u1

External References

Related Security Bulletins