First published: Sat Mar 10 2007(Updated: )
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.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Linux kernel | ||
Snort | =2.6.1.1 | |
Snort | =2.6.1.2 | |
Snort | =2.7_beta1 |
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CVE-2007-1398 is classified as a denial-of-service vulnerability.
To fix CVE-2007-1398, ensure the ip_conntrack module is loaded before using the frag3 preprocessor in Snort.
CVE-2007-1398 affects Snort versions 2.6.1.1, 2.6.1.2, and 2.7.0 beta.
Yes, CVE-2007-1398 can be exploited remotely via specially crafted UDP packets.
Exploiting CVE-2007-1398 can cause a segmentation fault and crash the Snort application.