CVE-2024-38534

Suricata modbus: txs without responses are never freed

State: Published
Severity: 7.5 High
Published: Jul 11, 2024
Updated: Aug 2, 2024
Reserved: Jun 18, 2024

Description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Crafted modbus traffic can lead to unlimited resource accumulation within a flow. Upgrade to 7.0.6. Set a limited stream.reassembly.depth to reduce the issue.

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	< 7.0.6Affected

References

https://github.com/OISF/suricata/security/advisories/GHSA-59qg-h357-69fq
https://github.com/OISF/suricata/commit/a753cdbe84caee3b66d0bf49b2712d29a50d67ae
https://redmine.openinfosecfoundation.org/issues/6987
https://redmine.openinfosecfoundation.org/issues/6988

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