Detections
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RHEL 8 : servicemesh (RHSA-2021:2085)

critical Nessus Plugin ID 149840

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Synopsis

The remote Red Hat host is missing a security update.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:2085 advisory.

 - istio/istio: authorization bypass when using AUTO_PASSTHROUGH (CVE-2021-31921)

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://access.redhat.com/security/cve/CVE-2021-31921

https://access.redhat.com/errata/RHSA-2021:2085

https://bugzilla.redhat.com/1955396

Plugin Details

Severity: Critical

ID: 149840

File Name: redhat-RHSA-2021-2085.nasl

Version: 1.9

Type: local

Agent: unix

Published: 5/21/2021

Updated: 12/29/2023

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: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2021-31921

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:servicemesh, p-cpe:/a:redhat:enterprise_linux:servicemesh-citadel, p-cpe:/a:redhat:enterprise_linux:servicemesh-galley, p-cpe:/a:redhat:enterprise_linux:servicemesh-istioctl, p-cpe:/a:redhat:enterprise_linux:servicemesh-mixc, p-cpe:/a:redhat:enterprise_linux:servicemesh-mixs, p-cpe:/a:redhat:enterprise_linux:servicemesh-pilot-agent, p-cpe:/a:redhat:enterprise_linux:servicemesh-pilot-discovery, p-cpe:/a:redhat:enterprise_linux:servicemesh-sidecar-injector

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/20/2021

Vulnerability Publication Date: 5/20/2021

Reference Information

CVE: CVE-2021-31921

CWE: 863

RHSA: 2021:2085