Vulnerability CVE-2010-2085
Published: 2010-05-27   Modified: 2012-02-13

Description:
The default configuration of ASP.NET in Microsoft .NET before 1.1 has a value of FALSE for the EnableViewStateMac property, which allows remote attackers to conduct cross-site scripting (XSS) attacks via the __VIEWSTATE parameter.

See advisories in our WLB2 database:
Topic
Author
Date
Low
Multiplatform View State Tampering Vulnerabilities
David Byrne of T...
30.05.2010

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Microsoft -> .net framework 

 References:
https://www.trustwave.com/spiderlabs/advisories/TWSL2010-001.txt
http://www.blackhat.com/presentations/bh-dc-10/Byrne_David/BlackHat-DC-2010-Byrne-SGUI-slides.pdf
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