CVE-2024-45796 Suricata defrag: off by one can lead to policy bypass
An off-by-one error in Suricata's fragment reassembly allows attackers to bypass security policies by crafting specific packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-45796?
CVE-2024-45796 is a medium-severity vulnerability in Oisf Suricata, published on 16 Oct 2024. 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 7.0.7, a logic error during fragment reassembly can lead to failed reassembly for valid traffic. An attacker could craft packets to trigger this behavior.This issue has been addressed in 7.0.7.
Weakness: CWE-193
Which versions are affected by CVE-2024-45796?
It affects 1 product.
Products include Oisf Suricata.
How do I fix CVE-2024-45796?
Upgrade to a fixed version.
Is CVE-2024-45796 being exploited?
There is no known exploitation of CVE-2024-45796 in the wild and no public exploit code.
Other vulnerabilities in Oisf Suricata
Sources
Also known as DEBIAN-CVE-2024-45796, GHSA-mf6r-3xp2-v7xg, UBUNTU-CVE-2024-45796.