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CVE-2008-6540: DotNetNuke Default Machine Key Exposure

May 14, 2022 (updated September 22, 2023)

DotNetNuke before 4.8.2, during installation or upgrade, does not warn the administrator when the default (1) ValidationKey and (2) DecryptionKey values cannot be modified in the web.config file, which allows remote attackers to bypass intended access restrictions by using the default keys.

References

  • osvdb.org/43720
  • secunia.com/advisories/29488
  • www.dotnetnuke.com/News/SecurityBulletins/SecurityBulletinno12/tabid/1148/Default.aspx
  • www.securityfocus.com/archive/1/489957/100/0/threaded
  • www.securityfocus.com/bid/28391
  • exchange.xforce.ibmcloud.com/vulnerabilities/41399
  • github.com/advisories/GHSA-grw3-hjjm-5cjm
  • nvd.nist.gov/vuln/detail/CVE-2008-6540

Code Behaviors & Features

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Affected versions

All versions before 4.8.2

Fixed versions

  • 4.8.2

Solution

Upgrade to version 4.8.2 or above.

Impact 5.1 MEDIUM

AV:N/AC:H/Au:N/C:P/I:P/A:P

Learn more about CVSS

Weakness

  • CWE-264

Source file

nuget/DotNetNuke.Core/CVE-2008-6540.yml

Spotted a mistake? Edit the file on GitLab.

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