CVE-2023-27596

OpenSIPS has vulnerability in the codec_delete_XX() functions

Description

OpenSIPS is a Session Initiation Protocol (SIP) server implementation. Prior to versions 3.1.8 and 3.2.5, OpenSIPS crashes when a malformed SDP body is sent multiple times to an OpenSIPS configuration that makes use of the `stream_process` function. This issue was discovered during coverage guided fuzzing of the function `codec_delete_except_re`. By abusing this vulnerability, an attacker is able to crash the server. It affects configurations containing functions that rely on the affected code, such as the function `codec_delete_except_re`. This issue has been fixed in version 3.1.8 and 3.2.5.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.07%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: OpenSIPS opensips
Published at:
Updated at:

References

Link Tags
https://github.com/OpenSIPS/opensips/security/advisories/GHSA-3ghx-j39m-cw4f third party advisory
https://github.com/OpenSIPS/opensips/commit/dd051f8ed5ae3347fb1d556ced3c97822c9d8450 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2023-27596?
CVE-2023-27596 has been scored as a high severity vulnerability.
How to fix CVE-2023-27596?
To fix CVE-2023-27596, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-27596 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-27596 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-27596?
CVE-2023-27596 affects OpenSIPS opensips.
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