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TightVNC Remote Code Execution and Denial of Service Vulnerabilities (Windows)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
This host is installed with TightVNC and is prone to code execution and denial of service vulnerabilities.
Insight
Insight
Multiple flaws are due to, - A heap buffer overflow in InitialiseRFBConnection function. - A null pointer dereference in HandleZlibBPP function. - A global buffer overflow in HandleCoRREBBP macro function. - A heap buffer overflow in rfbServerCutText handler.
Affected Software
Affected Software
TightVNC version 1.3.10
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
No known solution is available as of 08th November, 2019. Information regarding this issue will be updated once solution details are available.