CVE-2024-38536: Suricata http/range: NULL-ptr deref when http.memcap is reached
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 Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/suricatato a version that resolves this vulnerability.Fixed in 1:7.0.6-1 - Upgrade
Upgrade
debian/suricatato a version that resolves this vulnerability.Fixed in 1:7.0.10-1+deb13u4Fixed in 1:8.0.8-1 - Upgrade
Upgrade
alpine/suricatato a version that resolves this vulnerability.Fixed in 7.0.6-r0 - Upgrade
Upgrade
Suricatato a version that resolves this vulnerability.Fixed in 7.0.6
Event History
Frequently Asked Questions
What is the severity of CVE-2024-38536?
CVE-2024-38536 is a high-severity vulnerability that can lead to a crash of the Suricata service.
How do I fix CVE-2024-38536?
To fix CVE-2024-38536, upgrade Suricata to version 7.0.6 or later.
What is the cause of CVE-2024-38536?
CVE-2024-38536 is caused by a memory allocation failure when the http.memcap limit is reached.
Which versions of Suricata are affected by CVE-2024-38536?
Suricata versions prior to 7.0.6 are affected by CVE-2024-38536.
What type of vulnerability is CVE-2024-38536?
CVE-2024-38536 is a memory management vulnerability that results in a null pointer dereference leading to a crash.