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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
Plugin Details
Severity: Critical
ID: 186246
File Name: redhat-RHSA-2023-7484.nasl
Version: 1.4
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 11/24/2023
Updated: 11/7/2024
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
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