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Active Webcam Denial of Service and Local File Detection
Secunia Advisory: SA14553
Release Date: 2005-03-10
Last Update: 2005-03-14
Popularity: 7,488 views

Critical:
Moderately critical
Impact: Exposure of system information
DoS
Where: From remote
Solution Status: Unpatched

Software:Active Webcam 5.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
Sowhat has reported two vulnerabilities and a weakness in Active Webcam, which can be exploited by malicious people to cause a DoS (Denial of Service) and detect the presence of local files.

1) An input validation error can be exploited to cause a vulnerable server to become unaccessible by requesting a specially crafted file.

Example:
http://[victim]:8080/A:\a.txt

The vulnerability has been confirmed in version 5.5. Other versions may also be affected.

2) Different error messages are returned to users depending on whether a given file exists or not. This can be exploited to detect the presence of local files.

Example:
http://[victim]:8080/c:\test.txt

It is also possible to disclose the full installation path by requesting a non-existing file.

The weakness has been confirmed in version 5.5. Other versions may also be affected.

3) An error in the HTTP communication handling can be exploited to crash a vulnerable service by sending a large amount of HTTP requests (more than 1000).

The vulnerability has been reported in version 5.5. Other versions may also be affected.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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