#VU77708 Buffer overflow in pjsip - CVE-2023-27585
Published: June 26, 2023 / Updated: July 15, 2023
Vulnerability identifier: #VU77708
Vulnerability risk: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2023-27585
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
pjsip
pjsip
Software vendor:
pjsip
pjsip
Description
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.
Remediation
Install updates from vendor's website.
External links
- https://github.com/pjsip/pjproject/commit/d1c5e4da5bae7f220bc30719888bb389c905c0c5
- https://www.pjsip.org/pjlib-util/docs/html/group__PJ__DNS__RESOLVER.htm
- https://github.com/pjsip/pjproject/security/advisories/GHSA-q9cp-8wcq-7pfr
- https://github.com/pjsip/pjproject/security/advisories/GHSA-p6g5-v97c-w5q4
- https://github.com/pjsip/pjproject/releases/tag/2.13.1