CVE-2020-12852 : Vulnerability Insights and Analysis
Learn about CVE-2020-12852 affecting Pydio Cells 2.0.4. An attacker with admin access can exploit the update feature to download a malicious binary, leading to code execution.
Pydio Cells 2.0.4 update feature allows an attacker with administrator access to download a custom binary, leading to code execution.
Understanding CVE-2020-12852
Pydio Cells 2.0.4 vulnerability enables an attacker to exploit the software update feature, potentially executing malicious code.
What is CVE-2020-12852?
The Pydio Cells 2.0.4 update feature permits an administrator to set a custom update URL and public RSA key. This allows an attacker to force the application to download a malicious binary, leading to code execution upon restart.
The Impact of CVE-2020-12852
- An attacker with administrator access can replace the Pydio Cells binary with a malicious one
- Code execution can occur under the privileges of the user running the application
Technical Details of CVE-2020-12852
The vulnerability in Pydio Cells 2.0.4 is detailed as follows:
Vulnerability Description
- Administrator user can set a custom update URL and public RSA key
- Attacker can download a custom binary to replace the current Pydio Cells binary
Affected Systems and Versions
- Product: Pydio Cells 2.0.4
- Vendor: Pydio
- Version: 2.0.4
Exploitation Mechanism
- Attacker leverages the software update feature to download a malicious binary
- Upon restart, the attacker can execute code under the user's privileges
Mitigation and Prevention
To address CVE-2020-12852, consider the following steps:
Immediate Steps to Take
- Disable the update feature if not essential
- Monitor for any unauthorized updates or changes
Long-Term Security Practices
- Regularly update Pydio Cells to the latest version
- Implement strong access controls and user permissions
Patching and Updates
- Apply patches provided by Pydio to fix the vulnerability