RHEL 8 : libwebp (RHSA-2021:2354)

critical Nessus Plugin ID 150819

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Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:2354 advisory.

The libwebp packages provide a library and tools for the WebP graphics format. WebP is an image format with a lossy compression of digital photographic images. WebP consists of a codec based on the VP8 format, and a container based on the Resource Interchange File Format (RIFF). Webmasters, web developers and browser developers can use WebP to compress, archive, and distribute digital images more efficiently.

Security Fix(es):

* libwebp: heap-based buffer overflow in PutLE16() (CVE-2018-25011)

* libwebp: heap-based buffer overflow in WebPDecode*Into functions (CVE-2020-36328)

* libwebp: use-after-free in EmitFancyRGB() in dec/io_dec.c (CVE-2020-36329)

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.

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 libwebp package based on the guidance in RHSA-2021:2354.

Plugin Details

Severity: Critical

ID: 150819

File Name: redhat-RHSA-2021-2354.nasl

Version: 1.11

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 6/16/2021

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: 5.9

Vendor

Vendor Severity: Important

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-2020-36329

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:redhat:enterprise_linux:libwebp, cpe:/o:redhat:rhel_eus:8.4, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:libwebp-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: 6/9/2021

Vulnerability Publication Date: 5/21/2021

Reference Information

CVE: CVE-2018-25011, CVE-2020-36328, CVE-2020-36329

CWE: 416, 787

RHSA: 2021:2354

Detections

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