CVE-2019-20788
Published: 23 April 2020
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.
Priority
Status
Package | Release | Status |
---|---|---|
libvncserver Launchpad, Ubuntu, Debian |
upstream |
Needs triage
|
trusty |
Does not exist
|
|
xenial |
Released
(0.9.10+dfsg-3ubuntu0.16.04.4)
|
|
bionic |
Released
(0.9.11+dfsg-1ubuntu1.2)
|
|
eoan |
Released
(0.9.11+dfsg-1.3ubuntu0.1)
|
|
focal |
Not vulnerable
|
|
hirsute |
Not vulnerable
|
|
jammy |
Not vulnerable
|
|
lunar |
Not vulnerable
|
|
groovy |
Not vulnerable
|
|
impish |
Not vulnerable
|
|
kinetic |
Not vulnerable
|
|
Patches: upstream: https://github.com/LibVNC/libvncserver/commit/54220248886b5001fbbb9fa73c4e1a2cb9413fed |
||
x11vnc Launchpad, Ubuntu, Debian |
upstream |
Needs triage
|
trusty |
Needs triage
|
|
bionic |
Needs triage
|
|
eoan |
Ignored
(end of life)
|
|
focal |
Needs triage
|
|
groovy |
Ignored
(end of life)
|
|
kinetic |
Ignored
(end of life, was needs-triage)
|
|
hirsute |
Ignored
(end of life)
|
|
xenial |
Needs triage
|
|
jammy |
Needs triage
|
|
impish |
Ignored
(end of life)
|
|
lunar |
Needs triage
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 9.8 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |