CVE-2018-20022
7.5
HIGH
CVSS 3.1
EPSS 6.2%
Description
LibVNC before 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838 contains multiple weaknesses CWE-665: Improper Initialization vulnerability in VNC 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-2018-20022
To remediate CVE-2018-20022, upgrade the affected package to a fixed version below.
- —upgrade to 0.9.11+dfsg-1.2 or later
- —upgrade to 1.0.29-5 or later
- —upgrade to 1:1.3.9-9.1 or later
- —upgrade to 4.1.4+repack1-1 or later
Is CVE-2018-20022 being exploited?
Moderate — EPSS is 6.2%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (4)
- from 0, < 0.9.11+dfsg-1.2
- from 0, < 1.0.29-5
- from 0, < 1:1.3.9-9.1
- 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 |