CVE-2024-32664: suricata Buffer Overflow — Fix

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.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-120 CWE-120

CWE-122 CWE-122

Affected Products

Vendor	Product	Versions
oisf	suricata	6.0.0 — 6.0.19
oisf	suricata	7.0.0 — 7.0.5

References

Advisories & Patches

https://github.com/OISF/suricata/commit/311002baf288a225f62cf18a90c5fdd294447379 https://github.com/OISF/suricata/commit/d5ffecf11ad2c6fe89265e518f5d7443caf26ba4 https://github.com/OISF/suricata/security/advisories/GHSA-79vh-hpwq-3jh7 https://github.com/OISF/suricata/commit/311002baf288a225f62cf18a90c5fdd294447379 https://github.com/OISF/suricata/commit/d5ffecf11ad2c6fe89265e518f5d7443caf26ba4 https://github.com/OISF/suricata/security/advisories/GHSA-79vh-hpwq-3jh7

Frequently Asked Questions

What is CVE-2024-32664? +

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. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2024-32664? +

CVE-2024-32664 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-32664? +

CVE-2024-32664 affects products from oisf, specifically: suricata. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-32664? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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