CVE Vulnerabilities

CVE-2017-12159

Insufficient Session Expiration

Published: Oct 26, 2017 | Modified: Oct 09, 2019
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
5.4 MODERATE
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Ubuntu

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.

Weakness

According to WASC, “Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization.”

Affected Software

Name Vendor Start Version End Version
Single_sign_on Redhat 7.0 (including) 7.0 (including)
Single_sign_on Redhat 7.1 (including) 7.1 (including)
Red Hat Single Sign-On 7.1 RedHat *
Red Hat Single Sign-On 7.1 for RHEL 6 RedHat rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el6 *
Red Hat Single Sign-On 7.1 for RHEL 7 RedHat rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el7 *

Potential Mitigations

References