OSVDB ID: 16813

Title: Microsoft ASP.NET FileStream Method Nonexistent File Request Path Disclosure

Info

Disclosure

May 18, 2005

Discovery

Unknown

Dates

Exploit

May 18, 2005

Solution

Unknown

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

Direct URL: http://osvdb.org/16813