bugMHonArc - Bugs: bug #32014, CVE-2010-1677: DoS when processing...


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bug #32014: CVE-2010-1677: DoS when processing html messages with deep tag nesting

Submitted by:  Earl Hood <ehood>
Submitted on:  Thu Dec 30 20:45:51 2010  
Category: MIME FilterSeverity: 6 - Security
Priority: 5 - NormalItem Group: Security
Status: FixedPrivacy: Public
Assigned to: Earl Hood <ehood>Open/Closed: Closed
Operating System: AllPerl Version: All
Component Version: 2.6.16Fixed Release: 2.6.17

Thu Dec 30 20:56:17 2010, comment #1:

mhtxthtml.pl filter modified to reject any message with
nested tags. This is invalid HTML, so any message
that contains it would likely indicate someone trying
to attack an archive web site.

Earl Hood <ehood>
Project AdministratorIn charge of this item.
Thu Dec 30 20:45:51 2010, original submission:

If a malformed HTML message contains something like the following:


But to a much larger extent, will cause mhonarc to consume
a alot of CPU resources to strip out the data.

Earl Hood <ehood>
Project AdministratorIn charge of this item.


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    Follow 6 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Sun Jan 9 09:22:51 2011ehoodItem GroupUndesired Behavior=>Security
    Sun Jan 9 08:36:18 2011ehoodStatusReady For Test=>Fixed
      Fixed Release=>2.6.17
    Thu Dec 30 20:56:17 2010ehoodStatusIn Progress=>Ready For Test

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