CVEvulnerability

CVE-2019-20788

9.8 CRITICAL Published 2020-04-23 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-04-23
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-190, CWE-787

Description

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.

Affected configurations

• libvnc project libvncserver (<= 0.9.12) • canonical ubuntu linux 14.04 • canonical ubuntu linux 16.04 • canonical ubuntu linux 18.04 • canonical ubuntu linux 18.10 • debian debian linux 8.0 • debian debian linux 9.0 • siemens simatic itc1500 firmware (>= 3.0.0.0 < 3.2.1.0) • siemens simatic itc1500 pro firmware (>= 3.0.0.0 < 3.2.1.0) • siemens simatic itc1900 firmware (>= 3.0.0.0 < 3.2.1.0) • siemens simatic itc1900 pro firmware (>= 3.0.0.0 < 3.2.1.0) • siemens simatic itc2200 firmware (>= 3.0.0.0 < 3.2.1.0) • siemens simatic itc2200 pro firmware (>= 3.0.0.0 < 3.2.1.0)

Related

Weakness · CWE (2)

  • CWE-190 Integer Overflow or Wraparound weakness
  • CWE-787 Out-of-bounds Write weakness

References