16813 : Microsoft ASP.NET FileStream Method Nonexistent File Request Path Disclosure
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
4	1204	over 6 years ago	over 2 years ago	2 times	90%

Timeline

Disclosure Date	Exploit Publish Date
2005-05-18	2005-05-18

Description

Web Services running on ASP.NET framework contains a flaw that may lead to an internal system path disclosure. The issue is triggered on the event of a file error, the FileStream method may return an error message faultstring which will disclose the full path of the requested file resulting in a loss of confidentiality.

Classification

Location: Remote / Network Access
Attack Type: Information Disclosure
Impact: Loss of Confidentiality
Exploit: Exploit Public
Disclosure: OSVDB Verified

Solution

Currently, there are no known upgrades or patches to correct this issue, however the vendor plans to include a fix in the next release or service pack. It is possible to correct the flaw by following secure programming practices that the vendor addressed in a description of security considerations for ASP.NET web applications, see references for the URL.

Products

Microsoft Corporation

ASP.NET

1.1

References

Security Tracker: 1013996
Vendor Specific Advisory URL: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vbcon/html/vbtskdisplayingsafeerrormessages.asp
Other Advisory URL: http://net-square.com/advisory/NS-051805-ASPNET.pdf
Vendor URL: http://www.microsoft.com/

Credit

Shreeraj Shah - shreerajnet-square.com - Net-Square Solutions pvt. ltd

CVSSv2 Score

We currently have no CVSS2 data on this vulnerability. Feel free to suggest it.

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