CVE-2017-18922
Published: 30 June 2020
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.
Priority
CVSS 3 base score: 9.8
Status
Package | Release | Status |
---|---|---|
libvncserver Launchpad, Ubuntu, Debian |
bionic |
Released
(0.9.11+dfsg-1ubuntu1.2)
|
eoan |
Released
(0.9.11+dfsg-1.3ubuntu0.1)
|
|
focal |
Released
(0.9.12+dfsg-9ubuntu0.1)
|
|
groovy |
Not vulnerable
(0.9.13+dfsg-1)
|
|
hirsute |
Not vulnerable
(0.9.13+dfsg-1)
|
|
impish |
Not vulnerable
(0.9.13+dfsg-1)
|
|
jammy |
Not vulnerable
(0.9.13+dfsg-1)
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Released
(0.9.10+dfsg-3ubuntu0.16.04.4)
|
|
Patches: upstream: https://github.com/LibVNC/libvncserver/commit/aac95a9dcf4bbba87b76c72706c3221a842ca433 |
||
veyon Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
eoan |
Ignored
(reached end-of-life)
|
|
focal |
Needs triage
|
|
groovy |
Ignored
(reached end-of-life)
|
|
hirsute |
Ignored
(reached end-of-life)
|
|
impish |
Ignored
(reached end-of-life)
|
|
jammy |
Needs triage
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
x11vnc Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
eoan |
Ignored
(reached end-of-life)
|
|
focal |
Needs triage
|
|
groovy |
Ignored
(reached end-of-life)
|
|
hirsute |
Ignored
(reached end-of-life)
|
|
impish |
Ignored
(reached end-of-life)
|
|
jammy |
Needs triage
|
|
precise |
Does not exist
|
|
trusty |
Needs triage
|
|
upstream |
Needs triage
|
|
xenial |
Ignored
(end of standard support, was needs-triage)
|