Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2017-18922

It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow.

Published

2020-06-30T11:15:10.380

Last Modified

2024-11-21T03:21:16.067

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-787
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application libvncserver_project libvncserver < 0.9.12 Yes
Operating System canonical ubuntu_linux 16.04 Yes
Operating System canonical ubuntu_linux 18.04 Yes
Operating System canonical ubuntu_linux 19.10 Yes
Operating System canonical ubuntu_linux 20.04 Yes
Operating System opensuse leap 15.1 Yes
Operating System opensuse leap 15.2 Yes
Operating System fedoraproject fedora 31 Yes
Operating System fedoraproject fedora 32 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