CVE-2007-1398
Snort 2.6.1.1 2.6.1.2 2.7.0 beta - Denial of Service via UDP Packet Handling in frag3 Preprocessor
Title source: llmExploitation Summary
EIP tracks 1 public exploit for CVE-2007-1398. PoCs published by Antimatt3r.
AI-analyzed exploit summary This exploit triggers a denial-of-service (DoS) in Snort Inline by sending fragmented UDP packets with overlapping offsets, causing a segmentation fault during reassembly. It requires specific conditions like Frag3 enabled, inline mode, and disabled ip_conntrack.
Description
The frag3 preprocessor in Snort 2.6.1.1, 2.6.1.2, and 2.7.0 beta, when configured for inline use on Linux without the ip_conntrack module loaded, allows remote attackers to cause a denial of service (segmentation fault and application crash) via certain UDP packets produced by send_morefrag_packet and send_overlap_packet.
Exploits (1)
This exploit triggers a denial-of-service (DoS) in Snort Inline by sending fragmented UDP packets with overlapping offsets, causing a segmentation fault during reassembly. It requires specific conditions like Frag3 enabled, inline mode, and disabled ip_conntrack.