Use-after-free in Suricata - CVE-2024-23839
Published: March 26, 2024
Vulnerability identifier: #VU87828
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-23839
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Suricata
Suricata
Software vendor:
Open Information Security Foundation
Open Information Security Foundation
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error when handling HTTP traffic. A remote attacker can send specially crafted data to the system and perform a denial of service (DoS) attack.
Successful exploitation of the vulnerability requires that http.request_header or http.response_header keywords are used if the ruleset.
Remediation
Install updates from vendor's website.
External links
- 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/package-announce@lists.fedoraproject.org/message/GOCOBFUTIFHOP2PZOH4ENRFXRBHIRKK4/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZXJIT7R53ZXROO3I256RFUWTIW4ECK6P/