CVE-2024-32664

Suricata's base64 contains an out of bounds write

State: Published
Severity: 5.3 Medium
Published: May 7, 2024
Updated: Aug 2, 2024
Reserved: Apr 16, 2024

Description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, specially crafted traffic or datasets can cause a limited buffer overflow. This vulnerability is fixed in 7.0.5 and 6.0.19. Workarounds include not use rules with `base64_decode` keyword with `bytes` option with value 1, 2 or 5 and for 7.0.x, setting `app-layer.protocols.smtp.mime.body-md5` to false.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	GitHub_M

Weaknesses

CWE-122 Heap-based Buffer Overflow
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Affected Products

Product	Versions
suricataOISF	>= 6.0.0, <= 6.0.18Affected >= 7.0.0, <= 7.0.4Affected

References

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