DotNetNuke web.config file weak security
| dotnetnuke-webconfig-weak-security (41399) |  Medium Risk |
Description:
Dotnetnuke could provide weaker than expected security, caused by an error when the user does not have sufficient write permissions on the root folder during installation. The ValidationKey and DecryptionKey values in the web.config file are not modified as intended. A remote attacker could exploit this vulnerability using the known key values to gain access to the affected Web site.
*CVSS:
| Base Score: | 4.3 |
| Access Vector: | Network |
| Access Complexity: | Medium |
| Authentication: | None |
| Confidentiality Impact: | None |
| Integrity Impact: | Partial |
| Availability Impact: | None |
| Temporal Score: | 3.4 |
| Exploitability: | Proof-of-Concept |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Other
Remedy:
Refer to DotNetNuke Security Bulletin no.12 for patch, upgrade or suggested workaround information. See References.
References:
- BugTraq Mailing List, Fri Mar 21 2008 - 08:41:32 CDT: DotNetNuke Default Machine Key Exposure.
- DotNetNuke Security Bulletin no.12: Validationkey can be a known value.
- BID-28391: DotNetNuke Default 'ValidationKey' and 'DecriptionKey' Weak Encryption Vulnerability
- CVE-2008-6540: 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.
- SA29488: DotNetNuke Multiple Vulnerabilities
Platforms Affected:
- DotNetNuke DotNetNuke 1.0.10d
- DotNetNuke DotNetNuke 1.0.10e
- DotNetNuke DotNetNuke 1.0.6
- DotNetNuke DotNetNuke 1.0.7
- DotNetNuke DotNetNuke 1.0.8
- DotNetNuke DotNetNuke 1.0.9
- DotNetNuke DotNetNuke 2.1.1
- DotNetNuke DotNetNuke 2.1.2
- DotNetNuke DotNetNuke 3.0.11
- DotNetNuke DotNetNuke 3.0.7
- DotNetNuke DotNetNuke 3.0.8
- DotNetNuke DotNetNuke 3.1.0
- DotNetNuke DotNetNuke 3.3.5
- DotNetNuke DotNetNuke 4.0
- DotNetNuke DotNetNuke 4.3.5
- DotNetNuke DotNetNuke 4.5.2
- DotNetNuke DotNetNuke 4.8.1
Reported:
Mar 14, 2008
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* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.