DotNetNuke skin files security bypass
| dotnetnuke-skinfiles-security-bypass (45077) |  Medium Risk |
Description:
DotNetNuke could allow a remote attacker to bypass security restrictions, caused by the impoper validation of user-supplied input. A remote attacker could use an unknown parameter to load skin files with an .ascx extension followed by the loading of user controls. An attacker could exploit this vulnerability to bypass security restrictions and possibly gain administrative privileges on the vulnerable system.
*CVSS:
| Base Score: | 7.5 |
| Access Vector: | Network |
| Access Complexity: | Low |
| Authentication: | None |
| Confidentiality Impact: | Partial |
| Integrity Impact: | Partial |
| Availability Impact: | Partial |
| Temporal Score: | 5.5 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Bypass Security
Remedy:
Upgrade to the latest version of DotNetNuke (4.9.0 or later), available from the DotNetNuke Web site. See References.
References:
- DotNetNuke Security Bulletin no. 21: Authentication blindspot in User functions.
- DotNetNuke Security Bulletin no. 22: Install wizard information leakage.
- DotNetNuke Security Bulletin no. 23: Failure to validation when loading skins.
- DotNetNuke Web site: Downloads.
- BID-31145: DotNetNuke Multiple Security Bypass and Information Disclosure Vulnerabilities
- CVE-2008-7102: DotNetNuke 2.0 through 4.8.4 allows remote attackers to load .ascx files instead of skin files, and possibly access privileged functionality, via unknown vectors related to parameter validation.
- SA31893: DotNetNuke Multiple Vulnerabilities
Platforms Affected:
- DotNetNuke DotNetNuke 2.1.1
- DotNetNuke DotNetNuke 2.1.2
- DotNetNuke DotNetNuke 3.0.7
- DotNetNuke DotNetNuke 3.0.8
- DotNetNuke DotNetNuke 3.1.0.0
- DotNetNuke DotNetNuke 3.3.5
- DotNetNuke DotNetNuke 4.0
- DotNetNuke DotNetNuke 4.3.5
- DotNetNuke DotNetNuke 4.8.1
- DotNetNuke DotNetNuke 4.8.2
- DotNetNuke DotNetNuke 4.8.3
- DotNetNuke DotNetNuke 4.8.4
Reported:
Sep 09, 2008
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 the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net
* 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.