RHEL 8 : servicemesh (RHSA-2021:2085)

critical Nessus Plugin ID 149840

Synopsis

The remote Red Hat host is missing a security update for servicemesh.

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.

Red Hat OpenShift Service Mesh is Red Hat's distribution of the Istio service mesh project, tailored for installation into an on-premise OpenShift Container Platform installation.
Security Fix(es):

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

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 this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL servicemesh package based on the guidance in RHSA-2021:2085.

See Also

http://www.nessus.org/u?0b64ff3a

https://access.redhat.com/security/updates/classification/#important

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

https://bugzilla.redhat.com/show_bug.cgi?id=1955396

Plugin Details

Severity: Critical

ID: 149840

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

Version: 1.11

Type: local

Agent: unix

Published: 5/21/2021

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Important

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

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