CVE-2018-20023
7.5
HIGH
CVSS 3.1
EPSS 0.86%
Description
LibVNC before 8b06f835e259652b0ff026898014fc7297ade858 contains CWE-665: Improper Initialization vulnerability in VNC Repeater client code that allows attacker to read stack memory and can be abuse for information disclosure. Combined with another vulnerability, it can be used to leak stack memory layout and in bypassing ASLR
How to fix CVE-2018-20023
To remediate CVE-2018-20023, upgrade the affected package to a fixed version below.
- —upgrade to 0.9.11+dfsg-1.2 or later
- —upgrade to 4.1.4+repack1-1 or later
Is CVE-2018-20023 being exploited?
Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.9.11+dfsg-1.2
- from 0, < 4.1.4+repack1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |