PT-2018-2462 · Libvnc+3 · Libvnc+3

Pavel Cheremushkin

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Published

2018-09-11

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Updated

2021-01-15

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CVE-2018-20024

CVSS v2.0

7.8

High

VectorAV:N/AC:L/Au:N/C:N/I:N/A:C
Name of the Vulnerable Software and Affected Versions LibVNC versions prior to commit 4a21bbd097ef7c44bb000c3bd0907f96a10e4ce7
Description The issue is related to a null pointer dereference in the VNC client code, which can result in a denial of service. The vulnerability is associated with pointer dereference errors and can be exploited by a remote attacker to cause a service disruption.
Recommendations For versions prior to commit 4a21bbd097ef7c44bb000c3bd0907f96a10e4ce7, update to a version that includes the fix for the null pointer dereference issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

NULL Pointer Dereference

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dbugs@ptsecurity.com

Weakness Enumeration

CWE-476

Related Identifiers

ALT-PU-2019-2585
ALT-PU-2019-2662
ALT-PU-2021-1040
BDU:2019-00701
CVE-2018-20024
DLA-1617-1
DLA-1979-1
DLA-2016-1
DSA-4383-1
MGASA-2019-0037
MGASA-2020-0435
OPENSUSE-SU-2019:0053-1
OPENSUSE-SU-2019_0045-1
OPENSUSE-SU-2019_0053-1
OPENSUSE-SU-2024:10598-1
SUSE-SU-2019:0060-1
SUSE-SU-2019:0060-2
SUSE-SU-2019:0080-1
SUSE-SU-2019:13927-1
USN-3877-1
USN-4547-1
USN-4547-2
USN-4587-1

Affected Products

Alt Linux
Libvnc
Suse
Ubuntu