CVE-2020-13151 Explained : Impact and Mitigation
Learn about CVE-2020-13151 affecting Aerospike Community Edition 4.9.0.5, allowing unauthenticated users to execute Lua UDFs and run arbitrary OS commands on cluster nodes.
Aerospike Community Edition 4.9.0.5 allows unauthenticated submission and execution of user-defined functions (UDFs) in Lua, enabling arbitrary OS command execution.
Understanding CVE-2020-13151
What is CVE-2020-13151?
Aerospike Community Edition 4.9.0.5 permits the execution of crafted UDFs, written in Lua, allowing unauthorized users to run arbitrary OS commands on all cluster nodes.
The Impact of CVE-2020-13151
The vulnerability enables attackers with network access to execute commands at the permission level of the Aerospike service user.
Technical Details of CVE-2020-13151
Vulnerability Description
The flaw in Aerospike Community Edition 4.9.0.5 allows unauthenticated users to execute Lua UDFs, leading to unauthorized OS command execution.
Affected Systems and Versions
- Product: Aerospike Community Edition
- Version: 4.9.0.5
Exploitation Mechanism
- Attackers can exploit the vulnerability by submitting crafted UDFs through a database query.
Mitigation and Prevention
Immediate Steps to Take
- Upgrade to a patched version (e.g., 5.1.0.3) that addresses the vulnerability.
- Restrict network access to trusted entities.
Long-Term Security Practices
- Implement strong access controls and authentication mechanisms.
- Regularly monitor and audit UDF submissions for suspicious activities.
Patching and Updates
- Apply security patches promptly to mitigate the risk of unauthorized command execution.