CVE-2019-11897 : Vulnerability Insights and Analysis
Learn about CVE-2019-11897, a Server-Side Request Forgery (SSRF) vulnerability in ProSyst mBS SDK and Bosch IoT Gateway Software, allowing unauthorized access to confidential zip files.
This CVE involves a Server-Side Request Forgery (SSRF) vulnerability in ProSyst mBS SDK and Bosch IoT Gateway Software, allowing remote attackers to manipulate GET requests and potentially access confidential zip files.
Understanding CVE-2019-11897
This vulnerability was discovered on August 19, 2019, affecting specific versions of the mentioned software.
What is CVE-2019-11897?
Prior to ProSyst mBS SDK 8.2.6 and Bosch IoT Gateway Software 9.3.0, a flaw in the backup & restore feature enables unauthorized access to local server zip files through manipulated GET requests.
The Impact of CVE-2019-11897
- CVSS Base Score: 8.6 (High Severity)
- Attack Vector: Network
- Confidentiality Impact: High
- Scope: Changed
- Attack Complexity: Low
- This vulnerability does not require user interaction and has no impact on availability or integrity.
Technical Details of CVE-2019-11897
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows remote adversaries to forge GET requests towards any URL, potentially leading to unauthorized access to confidential zip files on the local server.
Affected Systems and Versions
- ProSyst mBS SDK: Versions earlier than 8.2.6
- Bosch IoT Gateway Software: Versions earlier than 9.3.0
Exploitation Mechanism
The flaw in the backup & restore feature of the affected versions allows attackers to manipulate GET requests, exploiting the SSRF vulnerability.
Mitigation and Prevention
To address CVE-2019-11897, follow these mitigation strategies:
Immediate Steps to Take
- Update ProSyst mBS SDK to version 8.2.6 or higher.
- Update Bosch IoT Gateway Software to version 9.3.0 or higher.
- Implement network controls to restrict unauthorized access.
Long-Term Security Practices
- Regularly monitor and audit network traffic for suspicious activities.
- Educate users on safe browsing practices and potential phishing attempts.
Patching and Updates
- Apply security patches provided by ProSyst and Bosch to fix the SSRF vulnerability.