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CVE Vulnerabilities

CVE-2018-20024

NULL Pointer Dereference

Published: Dec 19, 2018 | Modified: Nov 21, 2024
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
6.5 LOW
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2018-20024
CWEhttps://cwe.mitre.org/data/definitions/476.html

LibVNC before commit 4a21bbd097ef7c44bb000c3bd0907f96a10e4ce7 contains null pointer dereference in VNC client code that can result DoS.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

NameVendorStart VersionEnd Version
LibvncserverLibvnc_project*0.9.12 (excluding)
ItalcUbuntubionic*
ItalcUbuntuesm-apps/bionic*
ItalcUbuntuesm-apps/xenial*
ItalcUbuntutrusty*
ItalcUbuntuupstream*
ItalcUbuntuxenial*
LibvncserverUbuntubionic*
LibvncserverUbuntucosmic*
LibvncserverUbuntuesm-infra/bionic*
LibvncserverUbuntuesm-infra/xenial*
LibvncserverUbuntutrusty*
LibvncserverUbuntuupstream*
LibvncserverUbuntuxenial*
SsvncUbuntubionic*
SsvncUbuntuesm-apps/bionic*
SsvncUbuntuesm-apps/xenial*
SsvncUbuntutrusty*
SsvncUbuntuupstream*
SsvncUbuntuxenial*
X11vncUbuntucosmic*
X11vncUbuntutrusty*

Potential Mitigations

References

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