Improper input validation in Opensips

CVE-2023-27597

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.007 (50.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Opensips — versions < 3.1.8, >= 3.2.0, < 3.2.5

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-27597?
CVE-2023-27597 is a high-severity vulnerability in Opensips, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2023-03-15.
How severe is CVE-2023-27597?
High severity. CVSS v3 base score is 7.5 out of 10.