OISF Suricata up to 7.0.7 TCP Stream integer underflow

Summaryinfo

A vulnerability labeled as critical has been found in OISF Suricata up to 7.0.7. Impacted is an unknown function of the component TCP Stream Handler. The manipulation results in integer underflow. This vulnerability was named CVE-2024-55627. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in OISF Suricata up to 7.0.7. It has been classified as critical. Affected is an unknown part of the component TCP Stream Handler. The manipulation with an unknown input leads to a integer underflow vulnerability. CWE is classifying the issue as CWE-191. The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. This is going to have an impact on availability. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2024-55627 since 12/09/2024. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 214272 (Suricata < 7.0.8 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 7.0.8 eliminates this vulnerability. Applying the patch 282509f70c4ce805098e59535af445362e3e9ebd is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (214272). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• OISF

Name

• Suricata

Version

• 7.0.0
• 7.0.1
• 7.0.2
• 7.0.3
• 7.0.4
• 7.0.5
• 7.0.6
• 7.0.7

License

• open-source

Website

• Product: https://github.com/OISF/suricata/

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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