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RedHatRHSA-2022:0155

HistoryJan 17, 2022 - 9:41 p.m.

(RHSA-2022:0155) Important: Red Hat Single Sign-On 7.5.1 security update

2022-01-1721:41:41

access.redhat.com

red hat single sign-on

keycloak project

authentication

single sign-on

security update

bug fixes

enhancements

cve-2021-4133

cve-2021-3827

cve-2021-40690

cve-2021-20289

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.005

Percentile

76.0%

JSON

Red Hat Single Sign-On 7.5 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 7.5.1 serves as a replacement for Red Hat Single Sign-On 7.5.0, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.

Security Fix(es):

Keycloak: Incorrect authorization allows unpriviledged users to create other users (CVE-2021-4133)
keycloak-server-spi-private: ECP SAML binding bypasses authentication flows (CVE-2021-3827)
xml-security: XPath Transform abuse allows for information disclosure (CVE-2021-40690)
resteasy: Error message exposes endpoint class information (CVE-2021-20289)

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.