Use-after-free in Suricata - CVE-2024-23839

 

Use-after-free in Suricata - CVE-2024-23839

Published: March 26, 2024


Vulnerability identifier: #VU87828
CSH Severity: Medium
CVSS v4: 8.2 [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]
CVE-ID: CVE-2024-23839
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Suricata
Fedora
Kaspersky Anti Targeted Attack
suricata

How to mitigate CVE-2024-23839

Install updates from vendor's website.

Suricata - update to 7.0.3
Kaspersky Anti Targeted Attack - update to 6.0.2
suricata - addressed in versions 6.0.16-1.el8, 6.0.16-1.el9, 6.0.16-1.fc38, 6.0.16-1.fc39

External References

Related Security Bulletins