Vulnerability identifier: #VU73152

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31002

CWE-ID: CWE-125

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 perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition. A remote attacker can send a specially crafted message with a crafted SDP, trigger an out-of-bounds read error and crash the application.

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/51841eb53679434a386fb2dcbca925dcc48d58ba
http://github.com/freeswitch/sofia-sip/security/advisories/GHSA-g3x6-p824-x6hm
http://lists.debian.org/debian-lts-announce/2022/09/msg00001.html
http://security.gentoo.org/glsa/202210-18

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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.