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RHEL 9 : Red Hat Single Sign-On 7.6.6 security update on RHEL 9 (Important) (RHSA-2023:7484)

critical Nessus Plugin ID 186246

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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-2023:7484 advisory.

 Red Hat Single Sign-On 7.6 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.

 This release of Red Hat Single Sign-On 7.6.6 on RHEL 9 serves as a replacement for Red Hat Single Sign-On 7.6.5, and includes bug fixes and enhancements.

 Security Fix(es):

 * undertow: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)
 * netty-codec-http2: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)
 * bouncycastle: potential blind LDAP injection attack using a self-signed certificate (CVE-2023-33201)
 * keycloak: impersonation and lockout possible through incorrect handling of email trust (CVE-2023-0105)

 For more details about the security issue(s), including the impact, a CVSS score, 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 Single Sign-On 7.6.6 package based on the guidance in RHSA-2023:7484.

See Also

http://www.nessus.org/u?b7adf12e

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

https://access.redhat.com/security/vulnerabilities/RHSB-2023-003

https://bugzilla.redhat.com/show_bug.cgi?id=2158910

https://bugzilla.redhat.com/show_bug.cgi?id=2215465

https://bugzilla.redhat.com/show_bug.cgi?id=2242803

https://access.redhat.com/errata/RHSA-2023:7484

Plugin Details

Severity: Critical

ID: 186246

File Name: redhat-RHSA-2023-7484.nasl

Version: 1.4

Type: local

Agent: unix

Published: 11/24/2023

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.1

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5.3

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

CVSS Score Source: CVE-2023-0105

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 6

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

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

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 9.3

Threat Vector: CVSS:4.0/E:A

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2023-44487

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:rh-sso7-keycloak, p-cpe:/a:redhat:enterprise_linux:rh-sso7-keycloak-server, cpe:/o:redhat:enterprise_linux:9

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: 11/24/2023

Vulnerability Publication Date: 1/13/2023

CISA Known Exploited Vulnerability Due Dates: 10/31/2023

Reference Information

CVE: CVE-2023-0105, CVE-2023-33201, CVE-2023-44487

CWE: 200, 400, 841

RHSA: 2023:7484