Detections
Analytics
RHEL 8 : libvncserver (RHSA-2020:3588)
critical Nessus Plugin ID 140121
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Synopsis
The remote Red Hat host is missing a security update for libvncserver.Description
The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2020:3588 advisory.- libvncserver: websocket decoding buffer overflow (CVE-2017-18922)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Update the RHEL libvncserver package based on the guidance in RHSA-2020:3588.See Also
http://www.nessus.org/u?e68bd02d
https://access.redhat.com/security/updates/classification/#important
Plugin Details
Severity: Critical
ID: 140121
File Name: redhat-RHSA-2020-3588.nasl
Version: 1.9
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 9/1/2020
Updated: 4/24/2024
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: High
Base Score: 7.5
Temporal Score: 5.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2017-18922
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 8.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:redhat:rhel_e4s:8.0, p-cpe:/a:redhat:enterprise_linux:libvncserver
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 9/1/2020
Vulnerability Publication Date: 6/30/2020
Reference Information
CVE: CVE-2017-18922