Vulnerability · Published Jul 11, 2024 · Assigned by GitHub_M

CVE-2024-38536Suricata http/range: NULL-ptr deref when http.memcap is reached

High 7.5

In plain English

A high-severity null pointer dereference in suricata from OISF. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.9%top 40.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. A memory allocation failure due to `http.memcap` being reached leads to a NULL-ptr reference leading to a crash. Upgrade to 7.0.6.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20suricata7.0.6-r0ALPINE-CVE-2024-38536
Alpine:v3.21suricata7.0.6-r0ALPINE-CVE-2024-38536
Alpine:v3.22suricata7.0.6-r0ALPINE-CVE-2024-38536
Alpine:v3.23suricata7.0.6-r0ALPINE-CVE-2024-38536
Alpine:v3.24suricata7.0.6-r0ALPINE-CVE-2024-38536
Debian:13suricata1:7.0.6-1DEBIAN-CVE-2024-38536
Debian:14suricata1:7.0.6-1DEBIAN-CVE-2024-38536
Ubuntu:22.04:LTSsuricatano fix listedUBUNTU-CVE-2024-38536
Ubuntu:24.04:LTSsuricatano fix listedUBUNTU-CVE-2024-38536

Affected products (as reported)

VendorProductVersions
OISF suricata < 7.0.6

Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References