RHEL 7 : libvpx (RHSA-2020:3876)

high Nessus Plugin ID 141041

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Synopsis

The remote Red Hat host is missing one or more security updates for libvpx.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:3876 advisory.

The libvpx packages provide the VP8 SDK, which allows the encoding and decoding of the VP8 video codec, commonly used with the WebM multimedia container file format.

Security Fix(es):

* libvpx: Denial of service in mediaserver (CVE-2017-0393)

* libvpx: Out of bounds read in vp8_norm table (CVE-2019-9232)

* libvpx: Use-after-free in vp8_deblock() in vp8/common/postproc.c (CVE-2019-9433)

* libvpx: Out of bounds read in vp8_decode_frame in decodeframe.c (CVE-2020-0034)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.9 Release Notes linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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 RHEL libvpx package based on the guidance in RHSA-2020:3876.

Plugin Details

Severity: High

ID: 141041

File Name: redhat-RHSA-2020-3876.nasl

Version: 1.10

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 9/29/2020

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.1

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

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: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:libvpx, p-cpe:/a:redhat:enterprise_linux:libvpx-devel, p-cpe:/a:redhat:enterprise_linux:libvpx-utils, cpe:/o:redhat:enterprise_linux:7

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: 9/29/2020

Vulnerability Publication Date: 1/3/2017

Reference Information

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

BID: 95230

CWE: 125, 200, 400

RHSA: 2020:3876

Detections

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