RHEL 8 : Red Hat OpenShift Service Mesh 2.0.4 (RHSA-2021:1538)

high Nessus Plugin ID 149435

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Synopsis

The remote Red Hat host is missing one or more security updates for Red Hat OpenShift Service Mesh 2.0.4.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:1538 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):

* envoyproxy/envoy: HTTP request with escaped slash characters can bypass Envoy's authorization mechanisms (CVE-2021-29492)

* istio/istio: HTTP request with escaped slash characters can bypass authorization mechanisms (CVE-2021-31920)

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 Red Hat OpenShift Service Mesh 2.0.4 package based on the guidance in RHSA-2021:1538.

Plugin Details

Severity: High

ID: 149435

File Name: redhat-RHSA-2021-1538.nasl

Version: 1.14

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 5/12/2021

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2021-29492

CVSS v3

Risk Factor: High

Base Score: 8.3

Temporal Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

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-proxy, p-cpe:/a:redhat:enterprise_linux:servicemesh-pilot-discovery, p-cpe:/a:redhat:enterprise_linux:servicemesh-mixc, p-cpe:/a:redhat:enterprise_linux:servicemesh, p-cpe:/a:redhat:enterprise_linux:servicemesh-operator, p-cpe:/a:redhat:enterprise_linux:servicemesh-istioctl, p-cpe:/a:redhat:enterprise_linux:servicemesh-pilot-agent, cpe:/o:redhat:enterprise_linux:8

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: 5/11/2021

Vulnerability Publication Date: 5/11/2021

Reference Information

CVE: CVE-2021-29492, CVE-2021-31920

CWE: 863

RHSA: 2021:1538

Detections

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