CVE-2024-28870

Suricata uses excessive resource use in malformed ssh traffic parsing

State: Published
Severity: 7.5 High
Published: Apr 3, 2024
Updated: Aug 2, 2024
Reserved: Mar 11, 2024

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	GitHub_M

Weaknesses

CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

Product	Versions
suricataOISF	<= 6.0.16Affected >= 7.0.0, <= 7.0.3Affected

References

https://github.com/OISF/suricata/security/advisories/GHSA-mhhx-xw7r-r5c8

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