863 : Microsoft Exchange Malformed Mail Attribute DoS
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Info

Last Modified
8 months ago

Percent Complete
100%

Disclosure
May 29, 2002

Discovery
Unknown

Dates

Exploit
Unknown

Solution
Unknown

Description

 Exchange contains a flaw that may allow a remote denial of service. The issue is triggered when an attacker sends a specially crafted email message containing invalid SMTP headers which will cause the server to consume all available CPU resources, and will result in loss of availability for the platform.

Classification

 Location: Remote/Network Access Required
Attack Type: Denial of Service, Input Manipulation
Impact: Loss of Availability
Exploit: Exploit Unknown
Disclosure: OSVDB Verified

Solution

 Currently, there are no known workarounds or upgrades to correct this issue. However, Microsoft has released a patch to address this vulnerability.

Products
Microsoft Corporation
Watch-list
Exchange Server
Watch-list
 2000

References

Tools & Filters

Nessus

 11143

Credit
  • Computing Center, Johannes Gutenberg University - Computing Center, Johannes Gutenberg University

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