5702 : DiGi Web Server GET Request Handling Remote DoS
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Info

Last Modified

4 months ago

Percent Complete

100%

Disclosure

Apr 27, 2004

Discovery

Unknown

Dates

Exploit

Apr 27, 2004

Solution

Unknown

Description

DiGi Web Server contains a flaw that may allow a remote denial of service. The issue is triggered when very long HTTP GET request occurs, and will result in loss of availability for the service. The server contains a routine that will convert a slash to a backslash. When presented with many thousands of slashes in the GET request the server will consume large amounts of CPU power.

Classification

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

Solution

Upgrade to version Compieuw.2 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Daan Goedkoop

DiGi WWW Server

Compieuw.1

References

Bugtraq ID: 10228
Vendor Specific News/Changelog Entry: http://sourceforge.net/project/shownotes.php?release_id=234261
Other Advisory URL: http://www.autistici.org/fdonato/advisory/DiGiWwwServerC1-adv.txt
ISS X-Force ID: 15987
Secunia Advisory ID: 11490
Mail List Post: http://marc.theaimsgroup.com/?l=bugtraq&m=108311170018203&w=2
http://www.securityfocus.com/archive/1/361607
CVE ID: 2004-1973 (see also: NVD)
Security Tracker: 1009957
Vendor URL: http://wwwserver.sourceforge.net/

Manual Testing Notes

Credit

Donato Ferrante - fdonatoautistici.org - Personal Page

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