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Script to avoid OpenSSL DoS CVE-2015-1788
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| ##! This script is to avoid CVE-2015-1788 which is explained in | |
| ##! detail at http://jpb.io. It is a denial of service against | |
| ##! OpenSSL which will cause Bro processes to lock up. | |
| ##! WARNING - This script should only be used temporarily until | |
| ##! your OpenSSL library is upgraded. This script can | |
| ##! then be removed. | |
| @if( /2\.3/ in bro_version() ) | |
| event file_over_new_connection(f: fa_file, c: connection, is_orig: bool) &priority=-100 | |
| { | |
| Files::remove_analyzer(f, Files::ANALYZER_X509); | |
| } | |
| @endif | |
| @if ( /2\.4/ in bro_version() ) | |
| event file_sniff(f: fa_file, meta: fa_metadata) &priority=-100 | |
| { | |
| Files::remove_analyzer(f, Files::ANALYZER_X509); | |
| } | |
| @endif |
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The correct domain is http://jbp.io/ for more information.