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libvncserver project libvncserver vulnerabilities and exploits
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7.5
CVSSv2
CVE-2016-9942
Heap-based buffer overflow in ultra.c in LibVNCClient in LibVNCServer prior to 0.9.11 allows remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message with the Ultra type tile, such that the LZO payl...
Libvncserver Project Libvncserver 0.9.10
1 Article
6.8
CVSSv2
CVE-2018-6307
LibVNC before commit ca2a5ac02fbbadd0a21fabba779c1ea69173d10b contains heap use-after-free vulnerability in server code of file transfer extension that can result remote code execution.
Libvnc Project Libvncserver
Canonical Ubuntu Linux 18.10
Debian Debian Linux 9.0
Debian Debian Linux 8.0
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 14.04
6.4
CVSSv2
CVE-2020-14401
An issue exists in LibVNCServer prior to 0.9.13. libvncserver/scale.c has a pixel_value integer overflow.
Libvncserver Project Libvncserver
Debian Debian Linux 8.0
Debian Debian Linux 9.0
Opensuse Leap 15.1
Opensuse Leap 15.2
Siemens Simatic Itc1500 Firmware
Siemens Simatic Itc1500 Pro Firmware
Siemens Simatic Itc1900 Firmware
Siemens Simatic Itc1900 Pro Firmware
Siemens Simatic Itc2200 Firmware
Siemens Simatic Itc2200 Pro Firmware
5.5
CVSSv2
CVE-2020-14402
An issue exists in LibVNCServer prior to 0.9.13. libvncserver/corre.c allows out-of-bounds access via encodings.
Libvnc Project Libvncserver
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 18.10
Canonical Ubuntu Linux 20.04
Debian Debian Linux 8.0
Debian Debian Linux 9.0
Siemens Simatic Itc1500 Firmware
Siemens Simatic Itc1500 Pro Firmware
Siemens Simatic Itc1900 Firmware
Siemens Simatic Itc1900 Pro Firmware
Siemens Simatic Itc2200 Firmware
Siemens Simatic Itc2200 Pro Firmware
5.5
CVSSv2
CVE-2020-14403
An issue exists in LibVNCServer prior to 0.9.13. libvncserver/hextile.c allows out-of-bounds access via encodings.
Libvnc Project Libvncserver
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 18.10
Canonical Ubuntu Linux 20.04
Debian Debian Linux 8.0
Debian Debian Linux 9.0
Siemens Simatic Itc1500 Firmware
Siemens Simatic Itc1500 Pro Firmware
Siemens Simatic Itc1900 Firmware
Siemens Simatic Itc1900 Pro Firmware
Siemens Simatic Itc2200 Firmware
Siemens Simatic Itc2200 Pro Firmware
5.5
CVSSv2
CVE-2020-14404
An issue exists in LibVNCServer prior to 0.9.13. libvncserver/rre.c allows out-of-bounds access via encodings.
Libvnc Project Libvncserver
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 18.10
Canonical Ubuntu Linux 20.04
Debian Debian Linux 8.0
Debian Debian Linux 9.0
Siemens Simatic Itc1500 Firmware
Siemens Simatic Itc1500 Pro Firmware
Siemens Simatic Itc1900 Firmware
Siemens Simatic Itc1900 Pro Firmware
Siemens Simatic Itc2200 Firmware
Siemens Simatic Itc2200 Pro Firmware
5
CVSSv2
CVE-2020-25708
A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use this flaw to send a specially crafted message that, when processed by the VNC server, would lead to a floating point exception, resulting in a denial of service.
Libvncserver Project Libvncserver 0.9.12
Redhat Enterprise Linux 7.0
Redhat Enterprise Linux 6.0
Redhat Enterprise Linux 8.0
Debian Debian Linux 10.0
5
CVSSv2
CVE-2018-21247
An issue exists in LibVNCServer prior to 0.9.13. There is an information leak (of uninitialized memory contents) in the libvncclient/rfbproto.c ConnectToRFBRepeater function.
Libvnc Project Libvncserver
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 18.10
Debian Debian Linux 8.0
Debian Debian Linux 9.0
Siemens Simatic Itc1500 Firmware
Siemens Simatic Itc1500 Pro Firmware
Siemens Simatic Itc1900 Firmware
Siemens Simatic Itc1900 Pro Firmware
Siemens Simatic Itc2200 Firmware
Siemens Simatic Itc2200 Pro Firmware
Opensuse Leap 15.2
5
CVSSv2
CVE-2020-14397
An issue exists in LibVNCServer prior to 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.
Libvnc Project Libvncserver
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 18.10
Canonical Ubuntu Linux 20.04
Debian Debian Linux 8.0
Debian Debian Linux 9.0
Siemens Simatic Itc1500 Firmware
Siemens Simatic Itc1500 Pro Firmware
Siemens Simatic Itc1900 Firmware
Siemens Simatic Itc1900 Pro Firmware
Siemens Simatic Itc2200 Firmware
Siemens Simatic Itc2200 Pro Firmware
Opensuse Leap 15.2
5
CVSSv2
CVE-2019-20839
libvncclient/sockets.c in LibVNCServer prior to 0.9.13 has a buffer overflow via a long socket filename.
Libvnc Project Libvncserver
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 18.10
Canonical Ubuntu Linux 20.04
Debian Debian Linux 8.0
Debian Debian Linux 9.0
Siemens Simatic Itc1500 Firmware
Siemens Simatic Itc1500 Pro Firmware
Siemens Simatic Itc1900 Firmware
Siemens Simatic Itc1900 Pro Firmware
Siemens Simatic Itc2200 Firmware
Siemens Simatic Itc2200 Pro Firmware
Opensuse Leap 15.2
CVSSv2
CVSSv2
CVSSv3
VMScore
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IMAP
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