54555 : Microsoft IIS WebDAV Unicode URI Request Authentication Bypass
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
18	1310	over 2 years ago	about 1 year ago	24 times	25%

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Timeline

Disclosure Date	Exploit Publish Date
2009-05-15	2009-05-15

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2009-1535" target="_blank">CVE</a>)</em> : The WebDAV extension in Microsoft Internet Information Services (IIS) 5.1 and 6.0 allows remote attackers to bypass URI-based protection mechanisms, and list folders or read, create, or modify files, via a %c0%af (Unicode / character) at an arbitrary position in the URI, as demonstrated by inserting %c0%af into a "/protected/" initial pathname component to bypass the password protection on the protected\ folder, aka "IIS 5.1 and 6.0 WebDAV Authentication Bypass Vulnerability," a different vulnerability than CVE-2009-1122.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Workaround
Exploit: Exploit Public
OSVDB: Web Related

Products

Unknown or Incomplete

References

CVE ID: 2009-1535 (see also: NVD) 2009-1676 (see also: NVD)
Bugtraq ID: 34993
Secunia Advisory ID: 35109
Milw0rm: 8704
Exploit Database: 8704
Microsoft Knowledge Base Article: 971492
Mail List Post: http://archives.neohapsis.com/archives/fulldisclosure/2009-05/0135.html
http://archives.neohapsis.com/archives/fulldisclosure/2009-05/0139.html
http://archives.neohapsis.com/archives/fulldisclosure/2009-05/0144.html
http://archives.neohapsis.com/archives/fulldisclosure/2009-05/att-0135/IIS_Advisory.pdf
http://attrition.org/pipermail/vim/2009-June/002192.html
Other Advisory URL: http://blog.zoller.lu/2009/05/iis-6-webdac-auth-bypass-and-data.html
http://isc.sans.org/diary.html?storyid=6397
http://unixwiz.net/techtips/ms971492-webdav-vuln.html
http://view.samurajdata.se/psview.php?id=023287d6&page=1
http://www.sans.org/reading_room/whitepapers/threats/unicode_vulnerability_how_why_458
http://www.skullsecurity.org/blog/?p=285
Vendor Specific Solution URL: http://forums.iis.net/t/1149348.aspx
News Article: http://www.computerworld.com/action/article.do?command=viewArticleBasic&taxonomyName=security&articleId=9133219
Microsoft Security Bulletin: MS09-020

Tools & Filters

	38808 39342

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 7.6
Source: nvd.nist.gov | Generated: 2009-06-10 | Disagree?

Blogs

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2009/06/11 19:00:01 | Microsoft Security Advisory (971492): Vulnerability in Internet Information Services Could Allow Elevation of Privilege - 6/9/2009

from: Spyware Remover Help

Revision Note: V2.0 (June 9, 2009): Advisory updated to reflect publication of security bulletin ... addressed is the IIS 5.1 and 6.0 WebDAV Authentication Bypass Vulnerability - CVE-2009-1535

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