CVE-2024-55627: suricata Heap Overflow — Fix

Description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.8, a specially crafted TCP stream can lead to a very large buffer overflow while being zero-filled during initialization with memset due to an unsigned integer underflow. The issue has been addressed in Suricata 7.0.8.

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CVSS v3.1 Score

5.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-122 CWE-122

CWE-191 CWE-191

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
oisf	suricata	< 7.0.8

References

Advisories & Patches

https://github.com/OISF/suricata/commit/282509f70c4ce805098e59535af445362e3e9ebd https://github.com/OISF/suricata/commit/8900041405dbb5f9584edae994af2100733fb4be https://github.com/OISF/suricata/commit/9a53ec43b13f0039a083950511a18bf6f408e432 https://github.com/OISF/suricata/security/advisories/GHSA-h2mv-7gg8-8x7v

Other References

https://redmine.openinfosecfoundation.org/issues/7393

Frequently Asked Questions

What is CVE-2024-55627? +

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.8, a specially crafted TCP stream can lead to a very large buffer overflow while being zero-filled during initialization with memset due to an unsigned integer underflow. The issue has been addressed in Suricata 7.0.8. It has a CVSS v3.1 base score of 5.9 (MEDIUM).

How severe is CVE-2024-55627? +

CVE-2024-55627 has a CVSS v3.1 score of 5.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-55627? +

CVE-2024-55627 affects products from oisf, specifically: suricata. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-55627? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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