Denial of service in Sofia-SIP



Published: 2023-05-26
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-32307
CWE-ID CWE-122
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Sofia-SIP
Universal components / Libraries / Libraries used by multiple products

Vendor www.freeswitch.org

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Heap-based buffer overflow

EUVDB-ID: #VU76585

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2023-32307

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the  stun_parse_attr_error_code() and stun_parse_attr_uint32() function. A remote attacker can send specially crafted STUN packets to the application, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Sofia-SIP: 1.13.2 - 1.13.14

CPE2.3 External links

http://github.com/freeswitch/sofia-sip/security/advisories/GHSA-rm4c-ccvf-ff9c


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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