CVE-2017-7392 : Vulnerability Insights and Analysis
Learn about CVE-2017-7392 affecting TigerVNC 1.7.1. Discover the impact, affected systems, exploitation mechanism, and mitigation steps to prevent the memory leak vulnerability.
TigerVNC 1.7.1 may experience a minor memory leak in the server when an unauthenticated client is present.
Understanding CVE-2017-7392
What is CVE-2017-7392?
In TigerVNC 1.7.1, specifically in SSecurityVeNCrypt.cxx SSecurityVeNCrypt::SSecurityVeNCrypt, an unauthenticated client can trigger a small memory leak in the server.
The Impact of CVE-2017-7392
The vulnerability could potentially lead to a minor memory leak in the server, affecting system performance and stability.
Technical Details of CVE-2017-7392
Vulnerability Description
The server in TigerVNC 1.7.1 may encounter a minor memory leak when an unauthenticated client is present.
Affected Systems and Versions
- Product: TigerVNC 1.7.1
- Vendor: TigerVNC
- Version: All versions
Exploitation Mechanism
The memory leak occurs when an unauthenticated client interacts with the server, exploiting a vulnerability in SSecurityVeNCrypt.cxx.
Mitigation and Prevention
Immediate Steps to Take
- Monitor vendor security advisories for patches
- Implement network segmentation to limit exposure
- Disable unauthenticated access to the server
Long-Term Security Practices
- Regularly update TigerVNC to the latest version
- Conduct security assessments and audits to identify vulnerabilities
Patching and Updates
Apply patches provided by TigerVNC to address the memory leak vulnerability.