RHEL 7 : libwebp (RHSA-2021:2260)

critical Nessus Plugin ID 150321
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

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

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:2260 advisory.

- 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)

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

Solution

Update the affected packages.

See Also

https://cwe.mitre.org/data/definitions/416.html

https://cwe.mitre.org/data/definitions/787.html

https://access.redhat.com/security/cve/CVE-2018-25011

https://access.redhat.com/security/cve/CVE-2020-36328

https://access.redhat.com/security/cve/CVE-2020-36329

https://access.redhat.com/errata/RHSA-2021:2260

https://bugzilla.redhat.com/1956829

https://bugzilla.redhat.com/1956843

https://bugzilla.redhat.com/1956919

Plugin Details

Severity: Critical

ID: 150321

File Name: redhat-RHSA-2021-2260.nasl

Version: 1.4

Type: local

Agent: unix

Published: 6/7/2021

Updated: 10/7/2021

Dependencies: ssh_get_info.nasl, redhat_repos.nasl

Risk Information

CVSS Score Source: CVE-2020-36329

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:libwebp, p-cpe:/a:redhat:enterprise_linux:libwebp-devel, p-cpe:/a:redhat:enterprise_linux:libwebp-java, p-cpe:/a:redhat:enterprise_linux:libwebp-tools

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: 6/7/2021

Vulnerability Publication Date: 5/21/2021

Reference Information

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

RHSA: 2021:2260

CWE: 119, 416, 787