TightVNC authentication failure integer overflow proof of concept exploit.
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Core Security Technologies Advisory - Multiple integer overflow vulnerabilities have been discovered in UltraVNC and TightVNC, two (open source) remote control applications derived from the popular VNC software. The vulnerabilities cause a miscalculation of a buffer size on the heap, allowing an attacker to corrupt a VNC client heap and can probably allow code execution (exploitation is very likely). Affected packages include UltraVNC versions 1.0.2, 1.0.5, and TightVNC version 1.3.9.
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