CVE-2019-11826 Explained : Impact and Mitigation
Learn about CVE-2019-11826, a high-severity vulnerability in Synology Moments before 1.3.0-0691 allowing remote authenticated users to upload unauthorized files.
A vulnerability in Synology Moments before version 1.3.0-0691 allows authenticated users to upload unauthorized files remotely.
Understanding CVE-2019-11826
This CVE involves a relative path traversal vulnerability in SYNO.PhotoTeam.Upload.Item in Synology Moments.
What is CVE-2019-11826?
The vulnerability enables authenticated users from a remote location to upload unauthorized files by exploiting the name parameter.
The Impact of CVE-2019-11826
- CVSS Base Score: 8 (High Severity)
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- User Interaction: Required
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
Technical Details of CVE-2019-11826
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The relative path traversal vulnerability in SYNO.PhotoTeam.Upload.Item in Synology Moments before version 1.3.0-0691 allows remote authenticated users to upload arbitrary files via the name parameter.
Affected Systems and Versions
- Product: Photo Moments
- Vendor: Synology
- Affected Version: < 1.3.0-0691 (Custom Version)
Exploitation Mechanism
The vulnerability can be exploited by authenticated users from a remote location leveraging the name parameter.
Mitigation and Prevention
Protecting systems from CVE-2019-11826 is crucial to maintaining security.
Immediate Steps to Take
- Update Synology Moments to version 1.3.0-0691 or higher.
- Monitor file uploads and restrict unauthorized access.
Long-Term Security Practices
- Regularly review and update security configurations.
- Educate users on safe file uploading practices.
Patching and Updates
- Apply security patches promptly to prevent exploitation of known vulnerabilities.