CVE-2024-55628 Suricata oversized resource names utilizing DNS name compression can lead to resource starvation
Attackers can cause resource starvation in Suricata by sending DNS messages with compressed oversized resource names, leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-55628?
CVE-2024-55628 is a high-severity denial of service vulnerability in Oisf Suricata, published on 6 Jan 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to version 7.0.8, DNS resource name compression can lead to small DNS messages containing very large hostnames which can be costly to decode, and lead to very large DNS log records. While there are limits in place, they were too generous. The issue has been addressed in Suricata 7.0.8.
Which versions are affected by CVE-2024-55628?
It affects 1 product.
Products include Oisf Suricata.
How do I fix CVE-2024-55628?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-55628 being exploited?
There is no known exploitation of CVE-2024-55628 in the wild and no public exploit code.
Other vulnerabilities in Oisf Suricata
Sources
Also known as DEBIAN-CVE-2024-55628, GHSA-96w4-jqwf-qx2j, UBUNTU-CVE-2024-55628.