CVE-2020-6018 : Security Advisory and Response
Learn about CVE-2020-6018 affecting Valve's Game Networking Sockets prior to v1.2.0, leading to a Stack-Based Buffer Overflow and potential remote code execution. Find mitigation steps and preventive measures.
Valve's Game Networking Sockets prior to version v1.2.0 has a vulnerability that can lead to a Stack-Based Buffer Overflow and potential remote code execution.
Understanding CVE-2020-6018
Valve's Game Networking Sockets vulnerability due to improper handling of long encrypted messages.
What is CVE-2020-6018?
Valve's Game Networking Sockets prior to v1.2.0 mishandles long encrypted messages, leading to a Stack-Based Buffer Overflow.
The Impact of CVE-2020-6018
The vulnerability can result in memory corruption and potentially allow remote code execution.
Technical Details of CVE-2020-6018
Valve's Game Networking Sockets vulnerability technical specifics.
Vulnerability Description
The issue arises in function AES_GCM_DecryptContext::Decrypt() when compiled using libsodium.
Affected Systems and Versions
- Product: Game Networking Sockets
- Vendor: n/a
- Versions Affected: All versions prior to v1.2.0
Exploitation Mechanism
The vulnerability can be exploited through long encrypted messages, triggering a Stack-Based Buffer Overflow.
Mitigation and Prevention
Protective measures against CVE-2020-6018.
Immediate Steps to Take
- Update to version v1.2.0 or later to mitigate the vulnerability.
- Monitor for any unusual network activity that could indicate exploitation.
Long-Term Security Practices
- Regularly update software and libraries to patch known vulnerabilities.
- Implement network segmentation and access controls to limit the impact of potential attacks.
Patching and Updates
- Apply patches and updates provided by Valve to address the vulnerability.