Description
The frag3 preprocessor in Sourcefire Snort 2.4.3 does not properly reassemble certain fragmented packets with IP options, which allows remote attackers to evade detection of certain attacks, possibly related to IP option lengths.
References
- 20060217 SNORT Incorrect fragmented packet reassembly mailing-list
- 16705 vdb-entry
- 18959 third-party-advisory
- snort-frag3-detection-bypass(24811) vdb-entry