#VU60862 Use-after-free in pjsip


Published: 2022-02-24 | Updated: 2022-03-06

Vulnerability identifier: #VU60862

Vulnerability risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

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


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


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability