CVE-2023-27597 OpenSIPS has vulnerability in the parse_uri() function

High 7.5 Published 15 Mar 2023 Updated 25 Feb 2025

A specially crafted SIP message causes a segmentation fault in OpenSIPS, leading to a server crash and denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-27597?

CVE-2023-27597 is a high-severity vulnerability in opensips, published on 15 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

OpenSIPS is a Session Initiation Protocol (SIP) server implementation. Prior to versions 3.1.8 and 3.2.5, when a specially crafted SIP message is processed by the function `rewrite_ruri`, a crash occurs due to a segmentation fault. This issue causes the server to crash. It affects configurations containing functions that make use of the affected code, such as the function `setport`. This issue has been fixed in version 3.1.8 and 3.2.5.

Weakness: CWE-20

Which versions are affected by CVE-2023-27597?

It affects 1 product.

Products include Opensips Opensips.

How do I fix CVE-2023-27597?

No fix has been published for CVE-2023-27597 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-27597 being exploited?

There is no known exploitation of CVE-2023-27597 in the wild and no public exploit code.

Sources

Also known as GHSA-358f-935m-7p9c, UBUNTU-CVE-2023-27597.