Suricata Buffer Overflow Vulnerability in BPF Filter Handling

Vulnerability

A buffer overflow vulnerability has been identified in Suricata, a network intrusion detection and prevention system, prior to version 7.0.8. The issue arises when a large Berkeley Packet Filter (BPF) file is provided to Suricata at startup, leading to a buffer overflow condition. This vulnerability requires user interaction, as it involves the use of untrusted files with the 'suricata -F' command line option.

Impact

Exploitation of this vulnerability causes a buffer overflow, which can potentially be exploited to execute arbitrary code or cause a denial-of-service condition.

Remediation

Users can upgrade to Suricata version 7.0.8 or later to address this vulnerability. It is also recommended not to use untrusted files with the 'suricata -F' command line option.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
2.4
impact
2.5
exploitability
5.3
remediation
7.9
relevance
0.0
threat
3.2
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.