RHEL 8 : libwebp (RHSA-2021:4231)

critical Nessus Plugin ID 155159

Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4231 advisory.

- libwebp: out-of-bounds read in WebPMuxCreateInternal (CVE-2018-25009)

- libwebp: out-of-bounds read in ApplyFilter() (CVE-2018-25010)

- libwebp: out-of-bounds read in WebPMuxCreateInternal() (CVE-2018-25012)

- libwebp: out-of-bounds read in ShiftBytes() (CVE-2018-25013)

- libwebp: use of uninitialized value in ReadSymbol() (CVE-2018-25014)

- libwebp: out-of-bounds read in ChunkVerifyAndAssign() in mux/muxread.c (CVE-2020-36330)

- libwebp: out-of-bounds read in ChunkAssignData() in mux/muxinternal.c (CVE-2020-36331)

- libwebp: excessive memory allocation when reading a file (CVE-2020-36332)

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 libwebp and / or libwebp-devel packages.

See Also

https://access.redhat.com/security/cve/CVE-2018-25009

https://access.redhat.com/security/cve/CVE-2018-25010

https://access.redhat.com/security/cve/CVE-2018-25012

https://access.redhat.com/security/cve/CVE-2018-25013

https://access.redhat.com/security/cve/CVE-2018-25014

https://access.redhat.com/security/cve/CVE-2020-36330

https://access.redhat.com/security/cve/CVE-2020-36331

https://access.redhat.com/security/cve/CVE-2020-36332

https://access.redhat.com/errata/RHSA-2021:4231

https://bugzilla.redhat.com/1956853

https://bugzilla.redhat.com/1956856

https://bugzilla.redhat.com/1956868

https://bugzilla.redhat.com/1956917

https://bugzilla.redhat.com/1956918

https://bugzilla.redhat.com/1956922

https://bugzilla.redhat.com/1956926

https://bugzilla.redhat.com/1956927

Plugin Details

Severity: Critical

ID: 155159

File Name: redhat-RHSA-2021-4231.nasl

Version: 1.6

Type: local

Agent: unix

Published: 11/11/2021

Updated: 5/24/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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-2018-25014

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: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_aus:8.6, cpe:/o:redhat:rhel_e4s:8.6, cpe:/o:redhat:rhel_eus:8.6, cpe:/o:redhat:rhel_tus:8.6, p-cpe:/a:redhat:enterprise_linux:libwebp, 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: 11/9/2021

Vulnerability Publication Date: 5/21/2021

Reference Information

CVE: CVE-2018-25009, CVE-2018-25010, CVE-2018-25012, CVE-2018-25013, CVE-2018-25014, CVE-2020-36330, CVE-2020-36331, CVE-2020-36332

CWE: 125, 20, 400, 908

RHSA: 2021:4231