CVE-2024-23839
Last modified
CVE-2024-23839 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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. EPSS estimates a 0.78% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Oisf | Suricata | >= 7.0.0, < 7.0.3 |
| Fedoraproject | Fedora | 38 |
| Fedoraproject | Fedora | 39 |
References
- https://github.com/OISF/suricata/security/advisories/GHSA-qxj6-hr2p-mmc7Mitigation, Vendor Advisory
- https://redmine.openinfosecfoundation.org/issues/6657Issue Tracking
- https://github.com/OISF/suricata/security/advisories/GHSA-qxj6-hr2p-mmc7Mitigation, Vendor Advisory
- https://redmine.openinfosecfoundation.org/issues/6657Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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