20439 : Apache Tomcat Directory Listing Saturation DoS
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Info

Last Modified

2 months ago

Percent Complete

100%

Disclosure

Nov 03, 2005

Discovery

Unknown

Dates

Exploit

Nov 03, 2005

Solution

Unknown

Description

Apache Tomcat contains a flaw that may allow a remote denial of service. The issue is triggered when an attacker makes multiple concurrent requests for a directory listing that contain a large number of files. With a large number of requests, an attacker can cause the server to stop processing subsequent requests.

Classification

Location: Remote/Network Access Required
Attack Type: Denial of Service
Impact: Loss of Availability
Exploit: Exploit Available
OSVDB: Web Related

Technical

Successful exploitation requires that directory listing is enabled in a directory with a large number of files.

Solution

Upgrade to version 5.5.12 or higher, as it has been reported to partially fix this vulnerability by allowing operations to resume after a few minutes. It is also possible to correct the flaw by implementing the following workaround(s):
-Disable directory listing for web directories that has a large number of files.

Products

Apache Software Foundation
Watch-list
Apache Tomcat
Watch-list
5.5.11
5.5.12

References

Credit

  • David Maciejak - david.maciejakBrand New Doo Dookyxar.fr -

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