CVE-2017-8899 : Exploit Details and Defense Strategies
Discover the security vulnerabilities in Invision Power Services (IPS) Community Suite version 4.1.19.2 and earlier, allowing unauthorized access to admin accounts. Learn how to mitigate CVE-2017-8899.
Invision Power Services (IPS) Community Suite version 4.1.19.2 and earlier contain security vulnerabilities in the attachments feature, specifically in the User CP, leading to Stored Cross-site Scripting (XSS) and Information Disclosure issues. These vulnerabilities can be exploited by users to gain unauthorized access to moderator or admin accounts.
Understanding CVE-2017-8899
This CVE pertains to security flaws in Invision Power Services (IPS) Community Suite version 4.1.19.2 and previous versions.
What is CVE-2017-8899?
The vulnerabilities in this CVE involve Stored Cross-site Scripting (XSS) and Information Disclosure problems in the attachments feature of the User CP within Invision Power Services (IPS) Community Suite.
The Impact of CVE-2017-8899
- Unauthorized access to moderator or admin accounts can be gained by exploiting these vulnerabilities.
- Successful exploitation requires disclosure of the full file path.
Technical Details of CVE-2017-8899
In-depth technical information about the vulnerability.
Vulnerability Description
The vulnerabilities in Invision Power Services (IPS) Community Suite version 4.1.19.2 and earlier allow for Stored Cross-site Scripting (XSS) and Information Disclosure through the attachments feature in the User CP.
Affected Systems and Versions
- Product: Invision Power Services (IPS) Community Suite
- Vendor: Invision Power Services
- Versions affected: 4.1.19.2 and earlier
Exploitation Mechanism
- Users can exploit these vulnerabilities by uploading an SVG document with a manipulated attribute, such as onload.
Mitigation and Prevention
Measures to address and prevent the CVE-2017-8899 vulnerability.
Immediate Steps to Take
- Update Invision Power Services (IPS) Community Suite to the latest version.
- Restrict access to the User CP feature.
- Regularly monitor and audit user uploads.
Long-Term Security Practices
- Implement strict file upload restrictions.
- Educate users on safe attachment practices.
Patching and Updates
- Apply security patches provided by Invision Power Services promptly.