CVE-2024-32664

low-risk
Published 2024-05-07

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.

Do I need to act?

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0.33% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Oisf

References (6)

Patch https://github.com/OISF/suricata/commit/311002baf288a225f62cf18a90c5fdd294447379
Patch https://github.com/OISF/suricata/commit/d5ffecf11ad2c6fe89265e518f5d7443caf26ba4
Mitigation https://github.com/OISF/suricata/security/advisories/GHSA-79vh-hpwq-3jh7
Patch https://github.com/OISF/suricata/commit/311002baf288a225f62cf18a90c5fdd294447379
Patch https://github.com/OISF/suricata/commit/d5ffecf11ad2c6fe89265e518f5d7443caf26ba4
Mitigation https://github.com/OISF/suricata/security/advisories/GHSA-79vh-hpwq-3jh7
27
/ 100
low-risk
Severity 21/34 · High
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal