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This server is vulnerable to MITM attacks because it supports insecure renegotiation. Grade set to F

Posted on 2014-12-11
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Last Modified: 2014-12-18
Ran website through SSL Labs and got this warning

This server is vulnerable to MITM attacks because it supports insecure renegotiation. Grade set to F

Any ideas how to patch? It's running on a server 2003 box.

https://community.qualys.com/blogs/securitylabs/2009/11/05/ssl-and-tls-authentication-gap-vulnerability-discovered
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Question by:gman
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4 Comments
 
LVL 58

Expert Comment

by:Gary
ID: 40494415
Should have been fixed in Windows Update

http://support.microsoft.com/kb/980436
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Rich Rumble earned 1000 total points
ID: 40498068
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Author Comment

by:gman
ID: 40500196
IT's running Apache V2.2.25, Windows is fully updated.

Do you think disabling PCT, SSL 2, SSL 3 via the registry will do the trick?

Thanks,
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by:Gary
Gary earned 1000 total points
ID: 40500726
From what I can find Apache 2.2.3x is the minimum to fix it.

You should have already disabled SSLv2 and SSLv3 to mitigate the Heartbleed exploit. If you already have an SSL cert you will need to check the OpenSSL version used to create it as it may need updating
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