CVE-2018-9126 Explained : Impact and Mitigation
Learn about CVE-2018-9126, a vulnerability in DNNArticle module 11 for DNN (formerly DotNetNuke) that allows unauthorized access to web.config, potentially exposing database credentials. Find mitigation steps and preventive measures here.
The DNNArticle module 11 for DNN (formerly DotNetNuke) has a vulnerability that allows unauthorized access to the web.config file, potentially exposing database credentials.
Understanding CVE-2018-9126
What is CVE-2018-9126?
The vulnerability in the DNNArticle module 11 enables remote attackers to read the web.config file, leading to the discovery of database credentials through a specific URI.
The Impact of CVE-2018-9126
The vulnerability can result in unauthorized individuals accessing sensitive database information, posing a risk to data confidentiality and integrity.
Technical Details of CVE-2018-9126
Vulnerability Description
The flaw in the DNNArticle module 11 allows attackers to access the web.config file, potentially exposing database credentials.
Affected Systems and Versions
- Product: DNNArticle module 11
- Vendor: DNN (formerly DotNetNuke)
- Versions: All versions are affected
Exploitation Mechanism
The vulnerability can be exploited by sending a specific request to the /GetCSS.ashx/?CP=%2fweb.config URI, allowing unauthorized access to sensitive files.
Mitigation and Prevention
Immediate Steps to Take
- Disable or restrict access to the vulnerable URI
- Monitor web.config file access for any unauthorized attempts
Long-Term Security Practices
- Regularly update and patch the DNNArticle module and DNN platform
- Implement access controls and authentication mechanisms to prevent unauthorized access
Patching and Updates
Apply patches and updates provided by the vendor to address the vulnerability.