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IronMail C-Class SYN Flood DoS
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SUMMARY
"The <http://www.ciphertrust.com/products/cclass/> C-class is a
comprehensive email security solution that combines multiple best-of-breed
technologies into a gateway appliance that is easy to install and manage."
By crafting special SYN based packet, attackers can flood IronMail C-Class
causing a DoS on the server.
DETAILS
Vulnerable Systems:
* IronMail C-class version 5.0.1
If the IronMail is configured to reply with a "Denial of Service Window
(secs)" field consisting of a string between 100 to N by default and
"Denial of Service Count" 100 to N attackers may cause a SYN flooding DoS.
Disclosure Timeline:
November 29, 2005 - Research and Testing
Junary 10, 2006 - Update Release
ADDITIONAL INFORMATION
The information has been provided by <mailto:mark.sec@gmail.com> Mark
Sec.
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