CVE-2024-37151

Suricata defrag: IP ID reuse can lead to policy bypass

Description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Mishandling of multiple fragmented packets using the same IP ID value can lead to packet reassembly failure, which can lead to policy bypass. Upgrade to 7.0.6 or 6.0.20. When using af-packet, enable `defrag` to reduce the scope of the problem.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.42%
Vendor Advisory github.com
Affected: OISF suricata
Published at:
Updated at:

References

Link Tags
https://github.com/OISF/suricata/security/advisories/GHSA-qrp7-g66m-px24 vendor advisory
https://github.com/OISF/suricata/commit/9d5c4273cb7e5ca65f195f7361f0d848c85180e0 patch
https://github.com/OISF/suricata/commit/aab7f35c76721df19403a7c0c0025feae12f3b6b patch
https://redmine.openinfosecfoundation.org/issues/7041 issue tracking
https://redmine.openinfosecfoundation.org/issues/7042 issue tracking

Frequently Asked Questions

What is the severity of CVE-2024-37151?
CVE-2024-37151 has been scored as a medium severity vulnerability.
How to fix CVE-2024-37151?
To fix CVE-2024-37151, 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-2024-37151 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-37151 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-2024-37151?
CVE-2024-37151 affects OISF suricata.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.