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.

Classification

CVE ID: CVE-2024-23839

CVSS Base Severity: HIGH

CVSS Base Score: 7.1

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

Affected Products

Vendor: OISF

Product: suricata

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.15% (probability of being exploited)

EPSS Percentile: 53.04% (scored less or equal to compared to others)

EPSS Date: 2025-03-14 (when was this score calculated)

References

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

Timeline