CVE-2024-47188 Suricata http/byte-ranges: missing hashtable random seed leads to potential DoS
An attacker can cause severe performance degradation in Suricata by exploiting predictable hash table behavior in byte-range tracking.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-47188?
CVE-2024-47188 is a high-severity denial of service 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, missing initialization of the random seed for "thash" leads to byte-range tracking having predictable hash table behavior. This can lead to an attacker forcing lots of data into a single hash bucket, leading to severe performance degradation. This issue has been addressed in 7.0.7.
Which versions are affected by CVE-2024-47188?
It affects 1 product.
Products include Oisf Suricata.
How do I fix CVE-2024-47188?
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-2024-47188 being exploited?
There is no known exploitation of CVE-2024-47188 in the wild and no public exploit code.
Other vulnerabilities in Oisf Suricata
Sources
Also known as DEBIAN-CVE-2024-47188, GHSA-qq5v-qcjx-f872, UBUNTU-CVE-2024-47188.