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Special Forums Windows & DOS: Issues & Discussions Security Advisories (RSS) - Microsoft Microsoft Security Advisory (2416728): Vulnerability in ASP.NET Could Allow Information Disclosure - Post 302454378 by Linux Bot on Friday 17th of September 2010 11:30:09 PM
Old 09-18-2010
Microsoft Security Advisory (2416728): Vulnerability in ASP.NET Could Allow Information Disclosure -

Revision Note: V1.0 (September 17, 2010): Advisory published. Advisory Summary:Microsoft is investigating a new public report of a vulnerability in ASP.NET. An attacker who exploited this vulnerability could view data, such as the View State, which was encrypted by the target server, or read data from files on the target server, such as web.config. This would allow the attacker to tamper with the contents of the data. By sending back the altered contents to an affected server, the attacker could observe the error codes returned by the server. We are not aware of attacks that try to use the reported vulnerabilities or of customer impact at this time.

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WAPITI(1)							   User Commands							 WAPITI(1)

NAME
wapiti - a web application vulnerability scanner. SYNOPSIS
wapiti http://server.com/base/url/ [options] DESCRIPTION
Wapiti allows you to audit the security of your web applications. It performs "black-box" scans, i.e. it does not study the source code of the application but will scans the webpages of the deployed webapp, looking for scripts and forms where it can inject data. Once it gets this list, Wapiti acts like a fuzzer, injecting payloads to see if a script is vulnerable. OPTIONS
-s, --start <url> specify an url to start with. -x, --exclude <url> exclude an url from the scan (for example logout scripts) you can also use a wildcard (*): Example : -x "http://server/base/?page=*&module=test" or -x "http://server/base/admin/*" to exclude a directory -p, --proxy <url_proxy> specify a proxy (-p http://proxy:port/) -c, --cookie <cookie_file> use a cookie -t, --timeout <timeout> set the timeout (in seconds) -a, --auth <login%password> set credentials (for HTTP authentication) doesn't work with Python 2.4 -r, --remove <parameter_name> removes a parameter from URLs -m, --module <module> use a predefined set of scan/attack options: GET_ALL: only use GET request (no POST) GET_XSS: only XSS attacks with HTTP GET method POST_XSS: only XSS attacks with HTTP POST method -u, --underline use color to highlight vulnerable parameters in output -v, --verbose <level> set the verbosity level: 0: quiet (default), 1: print each url, 2: print every attack -h, --help print help page EFFICIENCY
Wapiti is developed in Python and use a library called lswww. This web spider library does the most of the work. Unfortunately, the html parsers module within python only works with well formed html pages so lswww fails to extract information from bad-coded webpages. Tidy can clean these webpages on the fly for us so lswww will give pretty good results. In order to make Wapiti far more efficient, you should: apt-get install python-utidylib python-ctypes AUTHOR
Copyright (C) 2006-2007 Nicolas Surribas <nicolas.surribas@gmail.com> Manpage created by Thomas Blasing <thomasbl@pool.math.tu-berlin.de> http://wapiti.sourceforge.net/ July 2007 WAPITI(1)
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