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
Medium
CVSS 3 base score: 9.8
Status
| Package | Release | Status |
|---|---|---|
|
libvncserver Launchpad, Ubuntu, Debian |
Upstream |
Needs triage
|
| Ubuntu 21.04 (Hirsute Hippo) |
Not vulnerable
(0.9.13+dfsg-1)
|
|
| Ubuntu 20.10 (Groovy Gorilla) |
Not vulnerable
(0.9.13+dfsg-1)
|
|
| Ubuntu 20.04 LTS (Focal Fossa) |
Released
(0.9.12+dfsg-9ubuntu0.1)
|
|
| Ubuntu 18.04 LTS (Bionic Beaver) |
Released
(0.9.11+dfsg-1ubuntu1.2)
|
|
| Ubuntu 16.04 ESM (Xenial Xerus) |
Released
(0.9.10+dfsg-3ubuntu0.16.04.4)
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Does not exist
|
|
|
Patches: Upstream: https://github.com/LibVNC/libvncserver/commit/aac95a9dcf4bbba87b76c72706c3221a842ca433 |
||
|
veyon Launchpad, Ubuntu, Debian |
Upstream |
Needs triage
|
| Ubuntu 21.04 (Hirsute Hippo) |
Needs triage
|
|
| Ubuntu 20.10 (Groovy Gorilla) |
Needs triage
|
|
| Ubuntu 20.04 LTS (Focal Fossa) |
Needs triage
|
|
| Ubuntu 18.04 LTS (Bionic Beaver) |
Does not exist
|
|
| Ubuntu 16.04 ESM (Xenial Xerus) |
Does not exist
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Does not exist
|
|
|
x11vnc Launchpad, Ubuntu, Debian |
Upstream |
Needs triage
|
| Ubuntu 21.04 (Hirsute Hippo) |
Needs triage
|
|
| Ubuntu 20.10 (Groovy Gorilla) |
Needs triage
|
|
| Ubuntu 20.04 LTS (Focal Fossa) |
Needs triage
|
|
| Ubuntu 18.04 LTS (Bionic Beaver) |
Needs triage
|
|
| Ubuntu 16.04 ESM (Xenial Xerus) |
Ignored
(end of standard support, was needs-triage)
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Needs triage
|
|