PT-2018-2458 · Libvnc+3 · Libvnc+3

Pavel Cheremushkin

·

Published

2018-08-14

·

Updated

2021-01-15

·

CVE-2018-20020

CVSS v2.0

10

Critical

VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Name of the Vulnerable Software and Affected Versions LibVNC versions prior to commit 7b1ef0ffc4815cab9a96c7278394152bdc89dc4d
Description The issue is related to a heap out-of-bound write vulnerability inside a structure in the VNC client code, which can result in remote code execution. It is also described as a buffer overflow vulnerability that allows a remote attacker to execute arbitrary code.
Recommendations For versions prior to commit 7b1ef0ffc4815cab9a96c7278394152bdc89dc4d, update to a version that includes the fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Memory Corruption

Found an issue in the description? Have something to add? Feel free to write us 👾
dbugs@ptsecurity.com

Weakness Enumeration

CWE-787

Related Identifiers

ALT-PU-2019-2585
ALT-PU-2019-2662
ALT-PU-2021-1040
BDU:2019-00697
CVE-2018-20020
DLA-1617-1
DLA-1979-1
DLA-2016-1
DLA-2045-1
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