Vulnerability in Oisf Suricata
CVE-2024-47188
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (19.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Oisf Suricata — versions < 7.0.7
Weakness classification (CWE)
References
- github.com/OISF/suricata/security/advisories/GHSA-qq5v-qcjx-f872 (Third Party Advisory)
- redmine.openinfosecfoundation.org/issues/7289 (Issue Tracking)
Frequently asked questions
- What is CVE-2024-47188?
- CVE-2024-47188 is a high-severity vulnerability in Oisf Suricata, classified under Use of Insufficiently Random Values. CVSS score: 7.5/10. Published 2024-10-16.
- How severe is CVE-2024-47188?
- High severity. CVSS v3 base score is 7.5 out of 10.