OISF Suricata up to 6.0.16/7.0.3 SSH Banner Parser allocation of resources

Summaryinfo

A vulnerability, which was classified as critical, was found in OISF Suricata up to 6.0.16/7.0.3. This issue affects some unknown processing of the component SSH Banner Parser. The manipulation results in allocation of resources. This vulnerability is identified as CVE-2024-28870. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in OISF Suricata up to 6.0.16/7.0.3. It has been classified as critical. Affected is some unknown functionality of the component SSH Banner Parser. The manipulation with an unknown input leads to a allocation of resources vulnerability. CWE is classifying the issue as CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. 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 developed by the OISF and the Suricata community. When parsing an overly long SSH banner, Suricata can use excessive CPU resources, as well as cause excessive logging volume in alert records. This issue has been patched in versions 6.0.17 and 7.0.4.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2024-28870 since 03/11/2024. The exploitability is told to be easy. 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 MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 6.0.17 or 7.0.4 eliminates this vulnerability.

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Productinfo

Vendor

• OISF

Name

• Suricata

Version

• 6.0.0
• 6.0.1
• 6.0.2
• 6.0.3
• 6.0.4
• 6.0.5
• 6.0.6
• 6.0.7
• 6.0.8
• 6.0.9
• 6.0.10
• 6.0.11
• 6.0.12
• 6.0.13
• 6.0.14
• 6.0.15
• 6.0.16
• 7.0.0
• 7.0.1
• 7.0.2
• 7.0.3

License

• open-source

Website

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

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