QID 378487

Date Published: 2023-05-18

QID 378487: TightVNC Privilege Escalation Vulnerability

In computing, TightVNC is a free and open-source remote desktop software server and client application for Linux and Windows

ightVNC before v2.8.75 allows attackers to escalate privileges on the host operating system via replacing legitimate files with crafted files when executing a file transfer. This is due to the fact that TightVNC runs in the backend as a high-privileges account..

Affected Software:
TightVNC version upto 2.8.75.0

QID Detection Logic (Authenticated):
QID checks for the Vulnerable version of TightVNC using .exe file.

Allows attackers to escalate privileges on the host operating system via replacing legitimate files with crafted files when executing a file transfer.

CVSS V3 rated as Critical - 9 severity.

CVSS V2 rated as High - 7.5 severity.

Solution

Upgrade to TightVNC Refer to TightVNC

Vendor References

TightVNC 2.8.75 - www.tightvnc.com/whatsnew.php

CVEs related to QID 378487

CVE-2023-27830 |

Software Advisories

Advisory ID	Software	Component	Link
TightVNC			www.tightvnc.com/whatsnew.php

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