RHEL 9 : Red Hat Single Sign-On 7.6.6 security update on RHEL 9 (Important) (RHSA-2023:7855)

high Nessus Plugin ID 186940

Synopsis

The remote Red Hat host is missing one or more security updates for Red Hat Single Sign-On 7.6.6.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:7855 advisory.

- keycloak: reflected XSS via wildcard in OIDC redirect_uri (CVE-2023-6134)

- keycloak: redirect_uri validation bypass (CVE-2023-6291)

- keycloak: offline session token DoS (CVE-2023-6563)

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 7.6.6 package based on the guidance in RHSA-2023:7855.

See Also

http://www.nessus.org/u?12bb3c74

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

https://bugzilla.redhat.com/show_bug.cgi?id=2249673

https://bugzilla.redhat.com/show_bug.cgi?id=2251407

https://bugzilla.redhat.com/show_bug.cgi?id=2253308

https://access.redhat.com/errata/RHSA-2023:7855

Plugin Details

Severity: High

ID: 186940

File Name: redhat-RHSA-2023-7855.nasl

Version: 1.5

Type: local

Agent: unix

Published: 12/15/2023

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: 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-2023-6291

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.4

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:9, 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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/14/2023

Vulnerability Publication Date: 12/14/2023

Reference Information

CVE: CVE-2023-6134, CVE-2023-6291, CVE-2023-6563

CWE: 601, 770, 79

RHSA: 2023:7855