Amazon Linux 2 : libvpx (ALAS-2020-1558)

high Nessus Plugin ID 142738

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Synopsis

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

Description

The version of tested product installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2020-1558 advisory.

 - A denial of service vulnerability in libvpx in Mediaserver could enable a remote attacker to use a specially crafted file to cause a device hang or reboot. This issue is rated as High due to the possibility of remote denial of service. Product: Android. Versions: 4.4.4, 5.0.2, 5.1.1, 6.0, 6.0.1, 7.0, 7.1. Android ID: A-30436808. (CVE-2017-0393)

 - In libvpx, there is a possible out of bounds read due to a missing bounds check. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Product: AndroidVersions: Android-10Android ID: A-122675483 (CVE-2019-9232)

 - In libvpx, there is a possible information disclosure due to improper input validation. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation. Product: AndroidVersions: Android-10Android ID: A-80479354 (CVE-2019-9433)

 - In vp8_decode_frame of decodeframe.c, there is a possible out of bounds read due to improper input validation. This could lead to remote information disclosure if error correction were turned on, with no additional execution privileges needed. User interaction is not needed for exploitation.Product:
 AndroidVersions: Android-8.0 Android-8.1Android ID: A-62458770 (CVE-2020-0034)

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 libvpx' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2020-1558.html

https://access.redhat.com/security/cve/CVE-2017-0393

https://access.redhat.com/security/cve/CVE-2019-9232

https://access.redhat.com/security/cve/CVE-2019-9433

https://access.redhat.com/security/cve/CVE-2020-0034

Plugin Details

Severity: High

ID: 142738

File Name: al2_ALAS-2020-1558.nasl

Version: 1.2

Type: local

Agent: unix

Published: 11/11/2020

Updated: 11/11/2020

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS Score Source: CVE-2020-0034

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:libvpx, p-cpe:/a:amazon:linux:libvpx-debuginfo, p-cpe:/a:amazon:linux:libvpx-devel, p-cpe:/a:amazon:linux:libvpx-utils, cpe:/o:amazon:linux:2

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/9/2020

Vulnerability Publication Date: 1/3/2017

Reference Information

CVE: CVE-2017-0393, CVE-2019-9232, CVE-2019-9433, CVE-2020-0034

BID: 95230

ALAS: 2020-1558