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Microsoft has released a security advisory for ASP.NET (CVE-2010-3332). It looks like there are no known attacks for this vulnerability at this time, and no patch or workaround has been released. To quote the release... "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." A few more details are available at Scott Guthrie's Blog -- Rick Wanner - rwanner at isc dot sans dot org - http://rwanner.blogspot.com/ |
Rick 290 Posts ISC Handler |
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Sep 18th 2010 8 years ago |
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MS ASP.NET advisory • V1.2 ...
- http://www.microsoft.com/technet/security/advisory/2416728.mspx • V1.2 (September 24, 2010): Added an entry to the FAQ to announce a revision to the workaround, "Enable a UrlScan or Request Filtering rule, enable ASP.NET custom errors, and map all error codes to the same error page." Customers who have already applied the workaround should -reapply- all listed steps... - http://blogs.technet.com/b/msrc/archive/2010/09/24/security-advisory-2416728-workaround-update.aspx 24 Sep 2010 - http://weblogs.asp.net/scottgu/archive/2010/09/24/update-on-asp-net-vulnerability.aspx Sep 24, 2010 . |
Anonymous |
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Sep 25th 2010 8 years ago |
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