IIS Short File/Folder Name Disclosure(iis短文件或文件夹名泄露)_安全设置_网络安全_

I. 背景
---------------------
"IIS is a web server application and set of
feature extension modules created by Microsoft for use with Microsoft Windows.
IIS is the third most popular server in the world." (Wikipedia)
II. 概述
---------------------
Vulnerability Research Team discovered a  vulnerability
in Microsoft IIS.
The vulnerability is caused by a tilde character "~" in a Get request, which could allow remote attackers
to diclose File and Folder names.
III. 影响产品
---------------------------
    IIS 1.0, Windows NT 3.51
    IIS 2.0, Windows NT 4.0
    IIS 3.0, Windows NT 4.0 Service Pack 2
    IIS 4.0, Windows NT 4.0 Option Pack
    IIS 5.0, Windows 2000
    IIS 5.1, Windows XP Professional and Windows XP Media Center Edition
    IIS 6.0, Windows Server 2003 and Windows XP Professional x64 Edition
    IIS 7.0, Windows Server 2008 and Windows Vista
    IIS 7.5, Windows 7 (error remotely enabled or no web.config)
    IIS 7.5, Windows 2008 (classic pipeline mode)
    Note: Does not work when IIS uses .Net Framework 4.
IV. Binary Analysis & Exploits/PoCs
---------------------------------------
Tilde character "~" can be used to find short names of files and folders when the website is running on IIS.
The attacker can find important file and folders that they are not normaly visible.
In-depth technical analysis of the vulnerability and a functional exploit
are available through:
http://soroush.secproject.com/blog/2012/06/microsoft-iis-tilde-character-vulnerabilityfeature-short-filefolder-name-disclosure/
V. 解决方案
----------------
There are still workarounds through Vendor and security vendors.
Using a configured WAF may be usefull (discarding web requests including the tilde "~" character).
VII. 参考
----------------------
http://support.microsoft.com/kb/142982/en-us
http://soroush.secproject.com/blog/2010/07/iis5-1-directory-authentication-bypass-by-using-i30index_allocation/

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