19961 : Kerio Personal/Server Firewall Driver Memory Locking Local DoS
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Info

Last Modified
9 months ago

Percent Complete
95%

Disclosure
Oct 13, 2005

Discovery
Unknown

Dates

Exploit
Unknown

Solution
Unknown

Description

 The Kerio Firewall driver contains a flaw that may allow a local denial of service. The issue is triggered when Kerio is reading the PEB (Process Environment Block) of applications that are trying to connect to the internet. If the application has the PEB region locked, the Kerio Firewall driver will crash resulting in a loss of availability for the program.

Classification

 Location: Local Access Required
Attack Type: Denial of Service
Impact: Loss of Availability
Exploit: Exploit Unavailable

Solution

 Upgrade to Kerio Personal Firewall version 4.2.1 or Kerio ServerFirewall 1.1.2 or higher as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products
Kerio Technologies, Inc.
Watch-list
Kerio Personal Firewall (KPF)
Watch-list
 4.2.0
Kerio Server Firewall
Watch-list
 1.1.1

References

Credit
  • Piotr Bania - ania.piotrBrand New Doo Doogmail.com -

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