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.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Snort | Sourcefire | 2.4.3 (including) | 2.4.3 (including) |
References
- http://secunia.com/advisories/18959
- http://www.securityfocus.com/archive/1/425290/100/0/threaded
- http://www.securityfocus.com/bid/16705
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24811
- http://secunia.com/advisories/18959
- http://www.securityfocus.com/archive/1/425290/100/0/threaded
- http://www.securityfocus.com/bid/16705
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24811