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tightvnc tightvnc vulnerabilities and exploits
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7.5
CVSSv2
CVE-2002-1336
TightVNC prior to 1.2.6 generates the same challenge string for multiple connections, which allows remote malicious users to bypass VNC authentication by sniffing the challenge and response of other users.
Tightvnc Tightvnc 1.2.4
Tightvnc Tightvnc 1.2.5
Tightvnc Tightvnc 1.2.1
Tightvnc Tightvnc 1.2.3
Tightvnc Tightvnc 1.2.0
2.1
CVSSv2
CVE-2002-1848
TightVNC prior to 1.2.4 running on Windows stores unencrypted passwords in the password text control of the WinVNC Properties dialog, which could allow local users to access passwords.
Tightvnc Tightvnc 1.2.2
Tightvnc Tightvnc 1.2.3
Tightvnc Tightvnc 1.2
Tightvnc Tightvnc 1.2.1
5
CVSSv2
CVE-2002-1511
The vncserver wrapper for vnc prior to 3.3.3r2-21 uses the rand() function instead of srand(), which causes vncserver to generate weak cookies.
Tightvnc Tightvnc 1.2.0
Tightvnc Tightvnc 1.2.1
Tightvnc Tightvnc 1.2.2
Tightvnc Tightvnc 1.2.3
Tightvnc Tightvnc 1.2.4
Att Vnc 3.3.4
Att Vnc 3.3.6
Att Vnc 3.3.3
Att Vnc 3.3.3r2
Att Vnc 3.3.5
Tightvnc Tightvnc 1.2.5
7.5
CVSSv2
CVE-2021-42785
Buffer Overflow vulnerability in tvnviewer.exe of TightVNC Viewer allows a remote malicious user to execute arbitrary instructions via a crafted FramebufferUpdate packet from a VNC server.
Tightvnc Tightvnc
NA
CVE-2023-27830
TightVNC before v2.8.75 allows malicious users 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.
Tightvnc Tightvnc
4.6
CVSSv2
CVE-2002-0971
Vulnerability in VNC, TightVNC, and TridiaVNC allows local users to execute arbitrary code as LocalSystem by using the Win32 Messaging System to bypass the VNC GUI and access the "Add new clients" dialogue box.
Tridia Tridiavnc 1.5.1
Tridia Tridiavnc 1.5.2
Att Winvnc Server 3.3.3 R7
Tridia Tridiavnc 1.5.4
Att Winvnc Server
Tightvnc Tightvnc 1.2.0
Tightvnc Tightvnc 1.2.1
Tightvnc Tightvnc 1.2.5
Tridia Tridiavnc 1.5
7.5
CVSSv2
CVE-2019-8287
TightVNC code version 1.3.10 contains global buffer overflow in HandleCoRREBBP macro function, which can potentially result code execution. This attack appear to be exploitable via network connectivity.
Tightvnc Tightvnc 1.3.10
7.5
CVSSv2
CVE-2019-15678
TightVNC code version 1.3.10 contains heap buffer overflow in rfbServerCutText handler, which can potentially result code execution.. This attack appear to be exploitable via network connectivity.
Tightvnc Tightvnc 1.3.10
7.5
CVSSv2
CVE-2019-15679
TightVNC code version 1.3.10 contains heap buffer overflow in InitialiseRFBConnection function, which can potentially result code execution. This attack appear to be exploitable via network connectivity.
Tightvnc Tightvnc 1.3.10
5
CVSSv2
CVE-2019-15680
TightVNC code version 1.3.10 contains null pointer dereference in HandleZlibBPP function, which results Denial of System (DoS). This attack appear to be exploitable via network connectivity.
Tightvnc Tightvnc 1.3.10
CVSSv2
CVSSv2
CVSSv3
VMScore
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CVE-2024-33572
CVE-2024-24919
CVE-2024-0230
CVE-2024-32714
HTML injection
local file inclusion
CVE-2024-31098
CVE-2024-31244
privilege
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