CVE-2019-8264 : Exploit Details and Defense Strategies
CVE-2019-8264 allows unauthorized access in UltraVNC revision 1203, potentially leading to code execution. Learn about the impact, affected systems, exploitation, and mitigation steps.
UltraVNC revision 1203 has a security flaw in the VNC client within the Ultra2 decoder, allowing unauthorized access beyond limits, potentially leading to code execution. The vulnerability can be exploited through network connectivity but has been resolved in revision 1204.
Understanding CVE-2019-8264
What is CVE-2019-8264?
CVE-2019-8264 is a vulnerability in UltraVNC revision 1203 that enables unauthorized access beyond assigned limits, posing a risk of code execution.
The Impact of CVE-2019-8264
The vulnerability in UltraVNC revision 1203 could allow attackers to execute arbitrary code by exploiting the out-of-bounds access issue in the VNC client within the Ultra2 decoder.
Technical Details of CVE-2019-8264
Vulnerability Description
- UltraVNC revision 1203 has an out-of-bounds access vulnerability in the VNC client inside the Ultra2 decoder.
Affected Systems and Versions
- Product: UltraVNC
- Vendor: Kaspersky Lab
- Version: 1.2.2.3
Exploitation Mechanism
- The vulnerability can be exploited through network connectivity.
Mitigation and Prevention
Immediate Steps to Take
- Update to revision 1204 of UltraVNC to mitigate the vulnerability.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update software and firmware to the latest versions.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
- Apply patches and security updates provided by UltraVNC to address known vulnerabilities.