CVE-2017-11149 : Exploit Details and Defense Strategies
Learn about CVE-2017-11149 affecting Synology Download Station versions 3.8.x before 3.8.5-3475 and 3.x before 3.5-2984. Understand the impact, technical details, and mitigation steps.
Synology Download Station versions 3.8.x before 3.8.5-3475 and 3.x before 3.5-2984 are affected by a Server-side request forgery (SSRF) vulnerability that allows remote authenticated users to download local files using specially crafted URIs.
Understanding CVE-2017-11149
This CVE involves a vulnerability in Synology Download Station that enables unauthorized downloading of local files by authenticated remote users.
What is CVE-2017-11149?
The vulnerability in Synology Download Station versions 3.8.x before 3.8.5-3475 and 3.x before 3.5-2984 allows remote authenticated users to download local files by manipulating URIs.
The Impact of CVE-2017-11149
The SSRF vulnerability in Synology Download Station can lead to unauthorized access to sensitive local files by authenticated remote users.
Technical Details of CVE-2017-11149
Synology Download Station's vulnerability can be further understood through the following technical details:
Vulnerability Description
The vulnerability in Synology Download Station versions 3.8.x before 3.8.5-3475 and 3.x before 3.5-2984 allows remote authenticated users to download arbitrary local files by crafting URIs.
Affected Systems and Versions
- Product: Synology Download Station
- Vendor: Synology
- Versions Affected: 3.8.x before 3.8.5-3475 and 3.x before 3.5-2984
Exploitation Mechanism
The vulnerability can be exploited by remote authenticated users to download local files of their choice using specially crafted URIs.
Mitigation and Prevention
To address CVE-2017-11149, consider the following mitigation and prevention strategies:
Immediate Steps to Take
- Update Synology Download Station to versions 3.8.5-3475 or 3.5-2984 to mitigate the vulnerability.
- Monitor and restrict access to sensitive local files.
Long-Term Security Practices
- Regularly update software and firmware to patch known vulnerabilities.
- Implement network segmentation to limit access to critical systems.
Patching and Updates
- Apply patches and updates provided by Synology to fix the SSRF vulnerability in Download Station.