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

Submitter:  Earl Hood <ehood>
Submitted:  Thu 30 Dec 2010 08:45:51 PM UTC
Category:  MIME Filter Severity:  6 - Security
Priority:  5 - Normal Item Group:  Security
Status:  Fixed Privacy:  Public
Assigned to:  ehood Open/Closed:  Closed
Operating System:  All Perl Version:  All
Component Version:  2.6.16 Fixed Release:  2.6.17

Thu 30 Dec 2010 08:56:17 PM UTC, 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 Administrator
Thu 30 Dec 2010 08:45:51 PM UTC, 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 Administrator


(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

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    Follow 6 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2011-01-09 ehood Item GroupUndesired Behavior Security
        PrivacyPrivate Public
        Open/ClosedOpen Closed
    2011-01-09 ehood StatusReady For Test Fixed
        Fixed Release 2.6.17
    2010-12-30 ehood StatusIn Progress Ready For Test

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