DiGi WWW Server Remote Denial Of Service Vulnerability

BID:10228

Info

DiGi WWW Server Remote Denial Of Service Vulnerability

Bugtraq ID: 10228
Class: Input Validation Error
CVE:
Remote: Yes
Local: No
Published: Apr 27 2004 12:00AM
Updated: Apr 27 2004 12:00AM
Credit: This issue was disclosed by Donato Ferrante <[email protected]>.
Vulnerable: DiGi WWW Server Web Server Compieuw.1
DiGi WWW Server Web Server Compieuw beta 2
DiGi WWW Server Web Server Compieuw
Not Vulnerable: DiGi WWW Server Web Server Compieuw.2

Discussion

DiGi WWW Server Remote Denial Of Service Vulnerability

The DiGi WWW Server has been reported to contain a remote denial of service vulnerability. It has been reported that when the server receives a malformed HTTP GET request, the web server process will consume large amounts of CPU resources.

Since this is a web server application, this leads to a remotely exploitable denial of service vulnerability.

Exploit / POC

DiGi WWW Server Remote Denial Of Service Vulnerability

Exploit code is not required to leverage this issue, but by sending a request such as:

GET ///[660Kb of /]/// HTTP/1.1

to a vulnerable server would demonstrate the effect.

Solution / Fix

DiGi WWW Server Remote Denial Of Service Vulnerability

Solution:
Apparently, the 'Compieuw.2' version of DiGi WWW Server is not affected by this vulnerability.


DiGi WWW Server Web Server Compieuw

DiGi WWW Server Web Server Compieuw beta 2

DiGi WWW Server Web Server Compieuw.1

References

DiGi WWW Server Remote Denial Of Service Vulnerability

References:

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