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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (53.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Opensips — versions < 3.1.8, >= 3.2.0, < 3.2.5
Weakness classification (CWE)
References
- github.com/OpenSIPS/opensips/security/advisories/GHSA-358f-935m-7p9c (Third Party Advisory)
- github.com/OpenSIPS/opensips/commit/b2dffe4b5cd81182c9c8eabb6c96aac96c7acfe3 (Patch, Third Party Advisory)
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.