CVE-2018-20024
Published: 19 December 2018
LibVNC before commit 4a21bbd097ef7c44bb000c3bd0907f96a10e4ce7 contains null pointer dereference in VNC client code that can result DoS.
Priority
Medium
CVSS 3 base score: 7.5
Status
| Package | Release | Status |
|---|---|---|
|
italc Launchpad, Ubuntu, Debian |
Upstream |
Released
(1:3.0.3+dfsg1-1+deb9u1, 1:2.0.2+dfsg1-2+deb8u1)
|
| Ubuntu 21.10 (Impish Indri) |
Does not exist
|
|
| Ubuntu 21.04 (Hirsute Hippo) |
Does not exist
|
|
| Ubuntu 20.04 LTS (Focal Fossa) |
Does not exist
|
|
| Ubuntu 18.04 LTS (Bionic Beaver) |
Released
(1:3.0.3+dfsg1-3ubuntu0.1)
|
|
| Ubuntu 16.04 ESM (Xenial Xerus) |
Released
(1:2.0.2+dfsg1-4ubuntu0.1)
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Does not exist
(trusty was needed)
|
|
|
libvncserver Launchpad, Ubuntu, Debian |
Upstream |
Released
(0.9.11+dfsg-1.2)
|
| Ubuntu 21.10 (Impish Indri) |
Not vulnerable
(0.9.11+dfsg-1.2)
|
|
| Ubuntu 21.04 (Hirsute Hippo) |
Not vulnerable
(0.9.11+dfsg-1.2)
|
|
| Ubuntu 20.04 LTS (Focal Fossa) |
Not vulnerable
(0.9.11+dfsg-1.2)
|
|
| Ubuntu 18.04 LTS (Bionic Beaver) |
Released
(0.9.11+dfsg-1ubuntu1.1)
|
|
| Ubuntu 16.04 ESM (Xenial Xerus) |
Released
(0.9.10+dfsg-3ubuntu0.16.04.3)
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Does not exist
(trusty was released [0.9.9+dfsg-1ubuntu1.4])
|
|
|
Patches: Upstream: https://github.com/LibVNC/libvncserver/commit/4a21bbd097ef7c44bb000c3bd0907f96a10e4ce7 |
||
|
ssvnc Launchpad, Ubuntu, Debian |
Upstream |
Released
(1.0.29-2+deb8u1, 1.0.29-3+deb9u1, 1.0.29-4+deb10u1, 1.0.29-5)
|
| Ubuntu 21.10 (Impish Indri) |
Not vulnerable
(1.0.29-5)
|
|
| Ubuntu 21.04 (Hirsute Hippo) |
Not vulnerable
(1.0.29-5)
|
|
| Ubuntu 20.04 LTS (Focal Fossa) |
Not vulnerable
(1.0.29-5)
|
|
| Ubuntu 18.04 LTS (Bionic Beaver) |
Needed
|
|
| Ubuntu 16.04 ESM (Xenial Xerus) |
Released
(1.9.29-2+deb8u1build0.16.04.1)
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Does not exist
(trusty was needed)
|
|
|
x11vnc Launchpad, Ubuntu, Debian |
Upstream |
Needs triage
|
| Ubuntu 21.10 (Impish Indri) |
Not vulnerable
(uses shared libvnc)
|
|
| Ubuntu 21.04 (Hirsute Hippo) |
Not vulnerable
(uses shared libvnc)
|
|
| Ubuntu 20.04 LTS (Focal Fossa) |
Not vulnerable
(uses shared libvnc)
|
|
| Ubuntu 18.04 LTS (Bionic Beaver) |
Not vulnerable
(uses shared libvnc)
|
|
| Ubuntu 16.04 ESM (Xenial Xerus) |
Not vulnerable
(uses shared libvnc)
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Not vulnerable
(uses shared libvnc)
|
|
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20024
- https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-034-libvnc-null-pointer-dereference/
- https://ubuntu.com/security/notices/USN-3877-1
- https://ubuntu.com/security/notices/USN-4547-1
- https://ubuntu.com/security/notices/USN-4547-2
- https://ubuntu.com/security/notices/USN-4587-1
- NVD
- Launchpad
- Debian