CVE-2024-23839: fedora Use-After-Free — Fix

Description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.3, specially crafted traffic can cause a heap use after free if the ruleset uses the http.request_header or http.response_header keyword. The vulnerability has been patched in 7.0.3. To work around the vulnerability, avoid the http.request_header and http.response_header keywords.

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CVSS v3.1 Score

7.1

HIGH

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

Weakness Type (CWE)

CWE-416 Use After Free

Affected Products

Vendor	Product	Versions
oisf	suricata	7.0.0 — 7.0.3
fedoraproject	fedora	All
fedoraproject	fedora	All

References

Advisories & Patches

https://github.com/OISF/suricata/commit/cd731fcaf42e5f7078c9be643bfa0cee2ad53e8f https://github.com/OISF/suricata/security/advisories/GHSA-qxj6-hr2p-mmc7 https://github.com/OISF/suricata/commit/cd731fcaf42e5f7078c9be643bfa0cee2ad53e8f https://github.com/OISF/suricata/security/advisories/GHSA-qxj6-hr2p-mmc7

Other References

https://lists.fedoraproject.org/archives/list/[email protected]/message/GOCOBFUTIFHOP2PZOH4ENRFXRBHIRKK4/ https://lists.fedoraproject.org/archives/list/[email protected]/message/ZXJIT7R53ZXROO3I256RFUWTIW4ECK6P/ https://redmine.openinfosecfoundation.org/issues/6657 https://lists.fedoraproject.org/archives/list/[email protected]/message/GOCOBFUTIFHOP2PZOH4ENRFXRBHIRKK4/ https://lists.fedoraproject.org/archives/list/[email protected]/message/ZXJIT7R53ZXROO3I256RFUWTIW4ECK6P/ https://redmine.openinfosecfoundation.org/issues/6657

Frequently Asked Questions

What is CVE-2024-23839? +

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.3, specially crafted traffic can cause a heap use after free if the ruleset uses the http.request_header or http.response_header keyword. The vulnerability has been patched in 7.0.3. To work around the vulnerability, avoid the http.request_header and http.response_header keywords. It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2024-23839? +

CVE-2024-23839 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-23839? +

CVE-2024-23839 affects products from fedoraproject, oisf, specifically: fedora, suricata. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-23839? +

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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