CVE-2017-12159 Information

Description

It was found that the cookie used for CSRF prevention in Keycloak was not unique to each session. An attacker could use this flaw to gain access to an authenticated user session leading to possible information disclosure or further attacks.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

http://www.securityfocus.com/bid/101601 https://access.redhat.com/errata/RHSA-2017:2904 https://access.redhat.com/errata/RHSA-2017:2905 https://access.redhat.com/errata/RHSA-2017:2906 https://bugzilla.redhat.com/show_bug.cgi?id=1484111

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5