Heap-based buffer overflow in Sofia-SIP - CVE-2023-32307
Published: May 26, 2023
Vulnerability identifier: #VU76585
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-32307
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Sofia-SIP
Sofia-SIP
Software vendor:
www.freeswitch.org
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 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.
Remediation
Install updates from vendor's website.