RHSA-2017:1203 - Security Advisory

Topic

An update to the Node.js adapter for Red Hat Single Sign-On 7.1 is now available from the Customer Portal.

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 7.1 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. The Node.js adapter provides a simple module for authentication and authorization in Node.js applications.

This asynchronous patch is a security update for the Node.js adapter for Red Hat Single Sign-On 7.1.

Security Fix(es):

• It was found that the Keycloak Node.js adapter did not handle invalid tokens correctly. An attacker could use this flaw to bypass authentication and gain access to restricted information, or to possibly conduct further attacks. (CVE-2017-7474)

Red Hat would like to thank Nick Shearer (Quest) for reporting this issue.

Solution

The References section of this erratum contains a download link (you must
log in to download the update).

Remove your existing Node.js adapter directory and unzip the update file into its place. Then change the dependency for keycloak-connect in the package.json of your application: change dependency file name to keycloak-connect-2.5.5-Final-redhat-3.tgz .

Affected Products

• Red Hat Single Sign-On Text-Only Advisories x86_64

Fixes

• BZ - 1445271 - CVE-2017-7474 keycloak-connect: auth token validity check ignored

CVEs

• CVE-2017-7474

References

• https://access.redhat.com/security/updates/classification/#important
• https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.rhsso&downloadType=securityPatches&version=7.1