CVE-2018-12563 : Security Advisory and Response
Discover the security vulnerability in Linaro LAVA prior to 2018.5.post1 allowing unauthorized file downloads. Learn how to mitigate the risk and prevent exploitation.
A vulnerability was found in Linaro LAVA prior to 2018.5.post1, allowing an attacker to make lava-server-gunicorn download any file from the system.
Understanding CVE-2018-12563
What is CVE-2018-12563?
This CVE describes a security flaw in Linaro LAVA that enables an attacker to exploit the file: URLs functionality to download files from the system.
The Impact of CVE-2018-12563
The vulnerability allows unauthorized access to files on the system, posing a risk of data theft or manipulation.
Technical Details of CVE-2018-12563
Vulnerability Description
The issue in Linaro LAVA before 2018.5.post1 permits an attacker to force lava-server-gunicorn to download any readable file from the system.
Affected Systems and Versions
- Product: Linaro LAVA
- Versions affected: Prior to 2018.5.post1
Exploitation Mechanism
The attacker needs access to the system and a valid yaml file readable by lavaserver to exploit this vulnerability.
Mitigation and Prevention
Immediate Steps to Take
- Update Linaro LAVA to version 2018.5.post1 or later.
- Restrict access permissions to sensitive files.
Long-Term Security Practices
- Regularly monitor and audit file access permissions.
- Implement network segmentation to limit access to critical systems.
Patching and Updates
Apply security patches and updates provided by Linaro to address this vulnerability.