CVE-2023-27597
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.74%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.74% probability · 53th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- opensips/opensips
- Source
- security-advisories@github.com
References
- https://github.com/OpenSIPS/opensips/commit/b2dffe4b5cd81182c9c8eabb6c96aac96c7acfe3Patch, Third Party Advisory
- https://github.com/OpenSIPS/opensips/security/advisories/GHSA-358f-935m-7p9cThird Party Advisory
- https://github.com/OpenSIPS/opensips/commit/b2dffe4b5cd81182c9c8eabb6c96aac96c7acfe3Patch, Third Party Advisory
- https://github.com/OpenSIPS/opensips/security/advisories/GHSA-358f-935m-7p9cThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.