RHSA-2016:2945 - Security Advisory

Topic

A security update is now available for Red Hat Single Sign-On 7.0 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 7.0 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 asynchronous patch is a security update for Red Hat Single Sign-On 7.0.

Security Fix(es):

• It was found that Keycloak did not implement authentication flow correctly. An attacker could use this flaw to construct a phishing URL, from which he could hijack the user's session. This could lead to information disclosure, or permit further possible attacks. (CVE-2016-8609)

Red Hat would like to thank Hiroyuki Wada of Nomura Research Institute, Ltd for reporting this issue.

Solution

The References section of this erratum contains a download link (you must
log in to download the update). Before applying this update, back up your
existing Red Hat Single Sign-On installation.

Affected Products

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

Fixes

• BZ - 1386729 - CVE-2016-8609 keycloak: account hijacking via auth code fixation

CVEs

• CVE-2016-8609

References

• https://access.redhat.com/security/updates/classification/#important
• https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.rhsso&downloadType=securityPatches&version=7.0