CVE-2023-27600 is a Denial of Service vulnerability affecting OpenSIPS, a Session Initiation Protocol (SIP) server, in versions prior to 3.1.7 and 3.2.4. The vulnerability allows an unauthenticated attacker to crash the server by sending a malformed SDP body that lacks a line feed character, specifically when processed by functions like codec_delete_except_re. With a CVSS score of 7.5 (High), this issue has a network attack vector, low attack complexity, and a high impact on availability. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.1.7CPE matchmatch criteria | cpe:2.3:a:opensips:opensips:*:*:*:*:*:*:*:* | ||
>= 3.2.0, < 3.2.4CPE matchmatch criteria | cpe:2.3:a:opensips:opensips:*:*:*:*:*:*:*:* |
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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