CVE-2024-55605 Suricata allows stack overflow in transforms
An attacker can cause Suricata to crash by sending large input buffers to specific transforms, resulting in a stack overflow and service disruption.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-55605?
CVE-2024-55605 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 7.0.8, a large input buffer to the to_lowercase, to_uppercase, strip_whitespace, compress_whitespace, dotprefix, header_lowercase, strip_pseudo_headers, url_decode, or xor transform can lead to a stack overflow causing Suricata to crash. The issue has been addressed in Suricata 7.0.8.
Weakness: CWE-400
Which versions are affected by CVE-2024-55605?
It affects 1 product.
Products include Oisf Suricata.
How do I fix CVE-2024-55605?
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-2024-55605 being exploited?
There is no known exploitation of CVE-2024-55605 in the wild and no public exploit code.
Other vulnerabilities in Oisf Suricata
Sources
Also known as DEBIAN-CVE-2024-55605, GHSA-x2hr-33vp-w289, UBUNTU-CVE-2024-55605.