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.

Classification

CVE ID: CVE-2024-55627

CVSS Base Severity: MEDIUM

CVSS Base Score: 5.9

Affected Products

Vendor: OISF

Product: suricata

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 17.83% (scored less or equal to compared to others)

EPSS Date: 2025-02-04 (when was this score calculated)

References

https://github.com/OISF/suricata/security/advisories/GHSA-h2mv-7gg8-8x7v
https://github.com/OISF/suricata/commit/282509f70c4ce805098e59535af445362e3e9ebd
https://github.com/OISF/suricata/commit/8900041405dbb5f9584edae994af2100733fb4be
https://github.com/OISF/suricata/commit/9a53ec43b13f0039a083950511a18bf6f408e432
https://redmine.openinfosecfoundation.org/issues/7393

Timeline