[Bro-Dev] [JIRA] (BIT-1400) topic/jsiwek/mime-multipart-boundary-leniency

[Jon Siwek (JIRA)]

Jon Siwek created BIT-1400:
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             Summary: topic/jsiwek/mime-multipart-boundary-leniency
                 Key: BIT-1400
                 URL: https://bro-tracker.atlassian.net/browse/BIT-1400
             Project: Bro Issue Tracker
          Issue Type: Problem
          Components: Bro
            Reporter: Jon Siwek
            Assignee: Seth Hall
             Fix For: 2.4


Seth had a private pcap showing HTTP multipart content using boundary strings containing the '<' and '>' characters which causes HTTP/MIME content parsing to fail.  This branch changes it so those characters are allowed (even though not explicitly permitted by the RFC).  It feels a bit hacky to me (but so do most changes I've done to HTTP/MIME analyzers), so please review and check if the analysis looks "more correct" now.

I scheduled this for 2.4 because I think Seth mentioned it might be something to try to get fixed in the final release, but it might be better to put it as part of 2.5 -- it's not really a severe bug but more of an oddity from a particular HTTP implementation and Bro's behavior with respect to it hasn't changed anytime recently (i.e. it's not a regression).



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