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DotNetNuke Multiple Vulnerabilities
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Secunia Advisory:
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SA29488
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Release Date:
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2008-03-25
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Critical:
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Moderately critical
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Impact:
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Security Bypass
Privilege escalation
System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | DotNetNuke 4.x
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Description:
Some vulnerabilities and a security issue have been reported in DotNetNuke, which can be exploited by malicious users to gain escalated privileges or to compromise a vulnerable system, and by malicious people to bypass certain security restrictions.
1) The problem is that it is possible to upload static files, which can then be converted into dynamic scripts. This can be exploited to execute server-side application logic.
Successful exploitation requires access to the file manager and that the "HTM" or "HTML" file type has been added to the default file upload extensions.
2) An error in the file manager within the handling of allowed file types can be exploited to upload arbitrary files and gain escalated privileges.
Successful exploitation requires access to the file manager.
3) The problem is that under certain circumstances the "validationkey" is not generated properly. This can be exploited to access the portal as an arbitrary user, using the the unchanged default "validationkey".
The security issue and vulnerabilities are reported in versions prior to 4.8.2.
Solution:
Update to version 4.8.2.
http://www.dotnetnuke.com/tabid/125/default.aspx
Provided and/or discovered by:
1) The vendor credits Timo Breumelhof.
2) The vendor credits Morteza Kermani.
3) Brian Holyfield
Original Advisory:
http://www.dotnetnuke.com/News/Securi...yBulletinno11/tabid/1147/Default.aspx
http://www.dotnetnuke.com/News/Securi...yBulletinno12/tabid/1148/Default.aspx
http://www.dotnetnuke.com/News/Securi...yBulletinno13/tabid/1149/Default.aspx
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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1 Related Secunia Security Advisories
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1. DotNetNuke "error" Parameter Cross-Site Scripting Vulnerability
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