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Amazon Linux 2 : libvncserver (ALAS-2020-1411)

critical Nessus Plugin ID 135929

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Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

The version of libvncserver installed on the remote host is prior to 0.9.9-14. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2020-1411 advisory.

 Integer Overflow or Wraparound leads to Heap-based Buffer Overflow (CVE-2019-15690)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Run 'yum update libvncserver' to update your system.

See Also

https://access.redhat.com/security/cve/CVE-2019-15690

https://alas.aws.amazon.com/AL2/ALAS-2020-1411.html

Plugin Details

Severity: Critical

ID: 135929

File Name: al2_ALAS-2020-1411.nasl

Version: 1.4

Type: local

Agent: unix

Published: 4/24/2020

Updated: 12/11/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2019-15690

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: p-cpe:/a:amazon:linux:libvncserver, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:libvncserver-devel, p-cpe:/a:amazon:linux:libvncserver-debuginfo

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 4/23/2020

Reference Information

CVE: CVE-2019-15690

ALAS: 2020-1411

IAVA: 2020-A-0381