CVE-2018-20019

Description

LibVNC before commit a83439b9fbe0f03c48eb94ed05729cb016f8b72f contains multiple heap out-of-bound write vulnerabilities in VNC client code that can result remote code execution

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 17.31% Top 10%
Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory gentoo.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com
Affected: n/a LibVNC
Published at:
Updated at:

References

Link Tags
https://www.debian.org/security/2019/dsa-4383 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html third party advisory mailing list
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-029-libvnc-multiple-heap-out-of-bound-vulnerabilities/ broken link
https://usn.ubuntu.com/3877-1/ third party advisory vendor advisory
https://security.gentoo.org/glsa/201908-05 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html third party advisory mailing list
https://usn.ubuntu.com/4547-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4587-1/ third party advisory vendor advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2018-20019?
CVE-2018-20019 has been scored as a critical severity vulnerability.
How to fix CVE-2018-20019?
To fix CVE-2018-20019, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-20019 being actively exploited in the wild?
It is possible that CVE-2018-20019 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~17% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-20019?
CVE-2018-20019 affects n/a LibVNC.
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