compatibility issue with Archive::Zip::Member v1.30?

[Edward Prendergast]

  On 14/10/2010 09:56, Edward Prendergast wrote:
>  On 14/10/2010 08:57, MailScanner wrote:
>> On Wed, Oct 06, 2010 at 10:47:04AM +0100, Edward Prendergast wrote:
>>> I'm seeing MailScanner 4.81.4 return "MailScanner: Message attempted
>>> to kill MailScanner" every time it tries to process an .xlsx file
>>> (Microsoft Excel 2010's format). IIRC the format is a zip container
>>> with the actual Excel data inside it.
>>>
>>> When I run MailScanner in debug mode and send one of these files
>>> through I get the error message:
>>>
>>> Insecure dependency in chmod while running with -T switch at
>>> /opt/perl5/lib/site_perl/5.12.2/Archive/Zip/Member.pm line 490.
>>>
>> I saw this bug too. All the .docx attachments crash MailScanner.
>> Someone opened a bug here: 
>> http://rt.cpan.org/Public/Bug/Display.html?id=61930
>>
>> To avoid the crash, i found this workaround: set Maximum Archive 
>> Depth to 0.
>> Like this, the .docx files are no longer scanned.
>
> I opened that bug - I've ploughed some time into trying to figure out 
> a fix but haven't had any luck. I realise this may be a bit OT so if 
> anyone with perl experience is interested in discussing it off list 
> please feel free to e-mail me off-list. I've put some detail about 
> where I think the bug is occurring in the ticket: 
> http://rt.cpan.org/Public/Bug/Display.html?id=61930.

We've had a bit of a chat on irc.freenode.org#perl and come up with a 
patch which I've just submitted to the author of Archive::Zip.

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