Vulnerability identifier: #VU64006

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31003

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Sofia-SIP
Universal components / Libraries / Libraries used by multiple products

Vendor: www.freeswitch.org

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the "sdp_parse" function. A remote attacker can send a specially crafted sdp message, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Sofia-SIP: 1.13.2 - 1.13.7

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External links
http://github.com/freeswitch/sofia-sip/commit/907f2ac0ee504c93ebfefd676b4632a3575908c9
http://github.com/freeswitch/sofia-sip/security/advisories/GHSA-8w5j-6g2j-pxcp

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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.