CVE-2024-55627 Suricata segfault on StreamingBufferSlideToOffsetWithRegions
An attacker can cause a denial of service in Suricata by sending a crafted TCP stream that triggers an integer underflow and subsequent buffer overflow.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-55627?
CVE-2024-55627 is a medium-severity 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 specially crafted TCP stream can lead to a very large buffer overflow while being zero-filled during initialization with memset due to an unsigned integer underflow. The issue has been addressed in Suricata 7.0.8.
Which versions are affected by CVE-2024-55627?
It affects 1 product.
Products include Oisf Suricata.
How do I fix CVE-2024-55627?
Upgrade to a fixed version.
Is CVE-2024-55627 being exploited?
There is no known exploitation of CVE-2024-55627 in the wild and no public exploit code.
Other vulnerabilities in Oisf Suricata
Sources
Also known as DEBIAN-CVE-2024-55627, GHSA-h2mv-7gg8-8x7v, UBUNTU-CVE-2024-55627.