11618 - TCP/IP SYN+FIN Packet Filtering Weakness resolution

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11618 - TCP/IP SYN+FIN Packet Filtering Weakness resolution

L2 Linker

VA scan flag out the below for GP Portal URL

 

11618 - TCP/IP SYN+FIN Packet Filtering Weakness
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Synopsis
It may be possible to bypass firewall rules.


Description
The remote host does not discard TCP SYN packets that have the FIN flag set.

Depending on the kind of firewall you are using, an attacker may use this flaw to bypass its rules.

 

See Also
https://seclists.org/bugtraq/2002/Oct/274

 

Please advise how to resolved this issue.

2 REPLIES 2

L1 Bithead

I have the same alert, can you tell me if the alert could be resolved?

L2 Linker

Is there any update to this? We are seeing this in our scans also.

Thank you,

Tom 

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