Detections
Analytics
RHEL 7 : libvncserver (RHSA-2020:0913)
high Nessus Plugin ID 134861
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Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:0913 advisory.- libvncserver: HandleCursorShape() integer overflow resulting in heap-based buffer overflow (CVE-2019-15690)
- libvncserver: integer overflow and heap-based buffer overflow in libvncclient/cursor.c in HandleCursorShape function (CVE-2019-20788)
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the affected libvncserver and / or libvncserver-devel packages.See Also
https://access.redhat.com/security/cve/CVE-2019-15690
https://access.redhat.com/security/cve/CVE-2019-20788
https://access.redhat.com/errata/RHSA-2020:0913
Plugin Details
Severity: High
ID: 134861
File Name: redhat-RHSA-2020-0913.nasl
Version: 1.8
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 3/24/2020
Updated: 5/25/2023
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: High
Score: 7.4
Vulnerability Information
CPE: cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:rhel_aus:7.7, cpe:/o:redhat:rhel_e4s:7.7, cpe:/o:redhat:rhel_eus:7.7, cpe:/o:redhat:rhel_tus:7.7, p-cpe:/a:redhat:enterprise_linux:libvncserver, p-cpe:/a:redhat:enterprise_linux:libvncserver-devel
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: 3/23/2020
Vulnerability Publication Date: 3/23/2020
Reference Information
CVE: CVE-2019-15690