2158.txt

snort入侵检测规则文件2.4 Snort是众所周知的网络入侵检测工具

Rule:

--
Sid:
2158

--
Summary:
This event is generated when an invalid BGP session is detected. 

--
Impact:
Unknown.

--
Detailed Information:
This event indicates that an invalid Border Gateway Protocol (BGP) packet has been detected.

BGP packets must have a datasize of at least 20 bytes. This event indicates that a BGP packet was detected with a datasize less than this amount. TCPDump may enter an endless loop trying to process this packet.

--
Affected Systems:
This BGP packet may cause problems with TCPDump.

--
Attack Scenarios:
An attacker would need to craft a special BGP packet with a type of 0 or a datasize of less than 20 bytes.

--
Ease of Attack:
Simple.

--
False Positives:
None Known.

--
False Negatives:
None Known.

--
Corrective Action:
Upgrade to the latest non-affected version of the software

--
Contributors:
Sourcefire Research Team
Brian Caswell <[e-mail]>
Nigel Houghton <[e-mail]>

--
Additional References:


--