CVE-2023-32307 is a high-severity vulnerability affecting Sofia-SIP, an open-source SIP User-Agent library, and related Debian and Signalwire products. It involves multiple heap-overflow and integer-overflow flaws in the handling of STUN packets due to insufficient length checks for attributes, specifically in the stun_parse_attr_error_code and stun_parse_attr_uint32 functions. The vulnerability has a CVSS score of 7.5 (High), indicating it can be exploited remotely with low complexity (AV:N/AC:L) without user interaction (UI:N), leading to high availability impact (A:H) such as crashes or memory exhaustion. There is currently no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.13.15CPE matchmatch criteria | cpe:2.3:a:signalwire:sofia-sip:*:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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