Topic
New Red Hat Single Sign-On 7.6.2 packages are now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
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 7.6.2 on RHEL 7 serves as a replacement for Red Hat Single Sign-On 7.6.1, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.
Security Fix(es):
- keycloak: XSS on impersonation under specific circumstances (CVE-2022-1438)
- Moment.js: Path traversal in moment.locale (CVE-2022-24785)
- keycloak: missing email notification template allowlist (CVE-2022-1274)
- keycloak: minimist: prototype pollution (CVE-2021-44906)
- moment: inefficient parsing algorithm resulting in DoS (CVE-2022-31129)
- undertow: DoS can be achieved as Undertow server waits for the LAST_CHUNK forever for EJB invocations (CVE-2022-2764)
- snakeyaml: Denial of Service due to missing nested depth limitation for collections (CVE-2022-25857)
- loader-utils: loader-utils:Regular expression denial of service (CVE-2022-37603)
- keycloak: Session takeover with OIDC offline refreshtokens (CVE-2022-3916)
- keycloak: path traversal via double URL encoding (CVE-2022-3782)
- snakeyaml: Uncaught exception in org.yaml.snakeyaml.composer.Composer.composeSequenceNode (CVE-2022-38749)
- snakeyaml: Uncaught exception in java.base/java.util.regex.Pattern$Ques.match (CVE-2022-38751)
- snakeyaml: Uncaught exception in org.yaml.snakeyaml.constructor.BaseConstructor.constructObject (CVE-2022-38750)
- keycloak: Client Registration endpoint does not check token revocation (CVE-2023-0091)
- keycloak: glob-parent: Regular Expression Denial of Service (CVE-2021-35065)
- json5: Prototype Pollution in JSON5 via Parse Method (CVE-2022-46175)
- keycloak: keycloak: user impersonation via stolen uuid code (CVE-2023-0264)
- snakeyaml: Constructor Deserialization Remote Code Execution (CVE-2022-1471)
- CXF: Apache CXF: SSRF Vulnerability (CVE-2022-46364)
- rcue-bootstrap: bootstrap: Cross-site Scripting (XSS) in the data-container property of tooltip (CVE-2018-14042)
- jettison: If the value in map is the map's self, the new new JSONObject(map) cause StackOverflowError which may lead to dos (CVE-2022-45693)
- sshd-common: mina-sshd: Java unsafe deserialization vulnerability (CVE-2022-45047)
- jettison: memory exhaustion via user-supplied XML or JSON data (CVE-2022-40150)
- jettison: parser crash by stackoverflow (CVE-2022-40149)
- jackson-databind: use of deeply nested arrays (CVE-2022-42004)
- jackson-databind: deep wrapper array nesting wrt UNWRAP_SINGLE_VALUE_ARRAYS (CVE-2022-42003)
- jquery: Cross-site scripting due to improper injQuery.htmlPrefilter method (CVE-2020-11022)
- jquery: Passing HTML containing <option> elements to manipulation methods could result in untrusted code execution (CVE-2020-11023)
- bootstrap: Cross-site Scripting (XSS) in the collapse data-parent attribute (CVE-2018-14040)
- jquery: Prototype pollution in object's prototype leading to denial of service, remote code execution, or property injection (CVE-2019-11358)
- CXF: Apache CXF: directory listing / code exfiltration (CVE-2022-46363)
- keycloak: reflected XSS attack (CVE-2022-4137)
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.
Solution
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258
Vulmon