Vulnerability identifier: #VU60862

Vulnerability risk: High

CVSSv3.1:

CVE-ID: CVE-2022-23608

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
pjsip
Universal components / Libraries / Libraries used by multiple products

Vendor: pjsip

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in dialog set. A remote attacker can send a specially crafted request to cause a dialog set to be registered in the hash table multiple times and results in an endless loop condition.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

pjsip: 0.5.0.1 - 2.11.1

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CPE

• cpe:2.3:a:pjsip:pjsip:2.11.1:*:*:*:*:*:*:*

External links
http://github.com/pjsip/pjproject/security/advisories/GHSA-ffff-m5fm-qm62
http://github.com/pjsip/pjproject/commit/db3235953baa56d2fb0e276ca510fefca751643f

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?