10670 : Microsoft ASP.NET Forms .aspx File Authentication Bypass
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
8	1868	over 5 years ago	over 2 years ago	0 times	100%

Timeline

Disclosure Date	Exploit Publish Date
2004-09-14	2004-09-14

Description

ASP.NET contains a flaw that may allow a malicious user to bypass authentication. The issue is triggered when a specially crafted URL which takes advantage of character handling is used to directly access a file which otherwise requires authentication. It is possible that the flaw may allow unauthorized file access resulting in a loss of confidentiality.

Classification

Location: Remote / Network Access
Attack Type: Information Disclosure, Input Manipulation
Impact: Loss of Confidentiality
Exploit: Exploit Public
Disclosure: OSVDB Verified
OSVDB: Web Related

Solution

Currently, there are no known workarounds or upgrades to correct this issue. However, Microsoft has released a patch to address this vulnerability.

Products

Microsoft Corporation	ASP.NET	1.0
		1.1

References

Security Tracker: 1011559
Bugtraq ID: 11342
Secunia Advisory ID: 12749
ISS X-Force ID: 17644
CVE ID: 2004-0847 (see also: NVD)
Microsoft Knowledge Base Article: 887459
Mail List Post: http://archives.neohapsis.com/archives/ntbugtraq/2004-q3/0221.html
http://archives.neohapsis.com/archives/ntbugtraq/2004-q4/0028.html
Other Advisory URL: http://sourceforge.net/mailarchive/forum.php?thread_id=5671607&forum_id=24754
Vendor Specific Solution URL: http://www.microsoft.com/downloads/details.aspx?familyid=DA77B852-DFA0-4631-AAF9-8BCC6C743026&displaylang=en
Microsoft Security Bulletin: MS05-004

Tools & Filters

Snort	15985
	16333

Manual Testing Notes

Credit

Toby Beaumont - tobycreator.co.uk -

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2003-12-31 | Disagree?

Blogs

This product uses the Daylife API but is not endorsed or certified by Daylife.

This section lists the latest news and blogs found via the daylife API (and for older items, the technorati API), which mention or otherwise discuss this vulnerability.

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