Public Date:
1661117: CVE-2018-20020 libvncserver: Heap out-of-bound write inside structure in VNC client code allows for potential code execution

The MITRE CVE dictionary describes this issue as:

LibVNC before commit 7b1ef0ffc4815cab9a96c7278394152bdc89dc4d contains heap out-of-bound write vulnerability inside structure in VNC client code that can result remote code execution

Find out more about CVE-2018-20020 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 8.8
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity Impact High
Availability Impact High

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 libvncserver Affected
Red Hat Enterprise Linux 6 libvncserver Will not fix

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation