clamd DoS?

Alex Broens ms-list at alexb.ch
Tue Sep 16 12:41:33 IST 2008


On 9/16/2008 12:59 PM, Raymond Dijkxhoorn wrote:
> Hi!
> 
>>> I was seeing a number of spam messages coming in w/the subject "Credit
>>> card transaction report".  Every now and then one would get tagged as a
>>> virus, but most weren't.  However, I went into MailWatch, selected one
>>> that wasn't marked as viral and saved the attached Report.zip to my
>>> linux workstation.  Ark extracted the file report.doc.exe.  I kicked off
>>> top in a term window, opened another terminal and ran 'clamscan
>>> report.doc.exe'.  W/in a couple seconds CPU utilization was pegged.
>>>
>>> I'm running plain old clamav, not clamscan or clamd.
>>>
>>> Not much to go on, but maybe this will help a bit...
> 
>> Ooh, can you post this on the web somewhere and tell me the URL so I 
>> can fetch this file and construct a message round it for testing?
> 
> The guys @ ClamAV are also looking into this (Thanks Luca!)

Luca rocks! (tell him this :-)

Today I saw more floods of randomly detected/bypassed MS and AV scanners 
  cases.

good thing there are other ways to catch & block or kill them :-)

Alex



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