CVE-2024-23839: Suricata http: heap use after free with http.request_header and http.response_header keywords
First published: Mon Feb 26 2024(Updated: )
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.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Suricata | >=7.0.0<7.0.3 | |
| Red Hat Fedora | =38 | |
| Red Hat Fedora | =39 |
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Reference Links
- https://github.com/OISF/suricata/commit/cd731fcaf42e5f7078c9be643bfa0cee2ad53e8f
- https://github.com/OISF/suricata/security/advisories/GHSA-qxj6-hr2p-mmc7
- https://redmine.openinfosecfoundation.org/issues/6657
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GOCOBFUTIFHOP2PZOH4ENRFXRBHIRKK4/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZXJIT7R53ZXROO3I256RFUWTIW4ECK6P/
Frequently Asked Questions
What is the severity of CVE-2024-23839?
CVE-2024-23839 is classified as high severity due to the potential for heap use after free vulnerabilities in Suricata.
How do I fix CVE-2024-23839?
To fix CVE-2024-23839, upgrade to Suricata version 7.0.3 or later.
What versions of Suricata are affected by CVE-2024-23839?
CVE-2024-23839 affects all versions of Suricata prior to 7.0.3.
What is the impact of CVE-2024-23839?
The impact of CVE-2024-23839 can lead to denial of service or arbitrary code execution due to heap memory corruption.
Which software distributions include affected versions for CVE-2024-23839?
Affected versions of CVE-2024-23839 are found in Fedora 38 and 39, as well as all Suricata versions prior to 7.0.3.
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- version/red hat fedora/39