Vulnerability Monitor

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CVE-2019-20788

libvncclient/cursor.c in LibVNCServer through 0.9.12 has a HandleCursorShape integer overflow and heap-based buffer overflow via a large height or width value. NOTE: this may overlap CVE-2019-15690.

Published

2020-04-23T19:15:12.763

Last Modified

2024-11-21T04:39:21.960

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-190
    CWE-787
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application libvnc_project libvncserver ≤ 0.9.12 Yes
Operating System canonical ubuntu_linux 14.04 Yes
Operating System canonical ubuntu_linux 16.04 Yes
Operating System canonical ubuntu_linux 16.04 Yes
Operating System canonical ubuntu_linux 18.04 Yes
Operating System canonical ubuntu_linux 18.10 Yes
Operating System debian debian_linux 8.0 Yes
Operating System debian debian_linux 9.0 Yes
Operating System siemens simatic_itc1500_firmware < 3.2.1.0 Yes
Hardware siemens simatic_itc1500 - No
Operating System siemens simatic_itc1500_pro_firmware < 3.2.1.0 Yes
Hardware siemens simatic_itc1500_pro - No
Operating System siemens simatic_itc1900_firmware < 3.2.1.0 Yes
Hardware siemens simatic_itc1900 - No
Operating System siemens simatic_itc1900_pro_firmware < 3.2.1.0 Yes
Hardware siemens simatic_itc1900_pro - No
Operating System siemens simatic_itc2200_firmware < 3.2.1.0 Yes
Hardware siemens simatic_itc2200 - No
Operating System siemens simatic_itc2200_pro_firmware < 3.2.1.0 Yes
Hardware siemens simatic_itc2200_pro - No
References