RHEL 6 : Red Hat Single Sign-On 7.4.7 security update on RHEL 6 (Moderate) (RHSA-2021:2063)

high Nessus Plugin ID 149817

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Synopsis

The remote Red Hat host is missing one or more security updates for Red Hat Single Sign-On 7.4.7.

Description

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:2063 advisory.

- keycloak: Internationalized domain name (IDN) homograph attack to impersonate users (CVE-2021-3424)

- keycloak: Backchannel logout not working when Principal Type is set to Attribute Name for external SAML IDP (CVE-2021-3461)

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 Single Sign-On 7.4.7 package based on the guidance in RHSA-2021:2063.

Plugin Details

Severity: High

ID: 149817

File Name: redhat-RHSA-2021-2063.nasl

Version: 1.10

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 5/20/2021

Updated: 4/28/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2021-3424

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2021-3461

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:redhat:enterprise_linux:rh-sso7-keycloak, p-cpe:/a:redhat:enterprise_linux:rh-sso7-keycloak-server

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: 5/20/2021

Vulnerability Publication Date: 5/20/2021

Reference Information

CVE: CVE-2021-3424, CVE-2021-3461

CWE: 287, 613

RHSA: 2021:2063

Detections

Analytics