Vulnerability in Keycloak
CVE-2017-12159
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.
EPSS: 0.027 (84.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Keycloak
- Red Hat, Inc. Keycloak — versions 3.4.0
- Redhat Enterprise_linux_server — versions 6.0, 7.0
- Redhat Single_sign_on — versions 7.0, 7.1
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_CONFIRM, VDB Entry, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2017-12159?
- CVE-2017-12159 is a high-severity vulnerability in Keycloak, classified under Insufficient Session Expiration. CVSS score: 7.5/10. Published 2017-10-26.
- How severe is CVE-2017-12159?
- High severity. CVSS v3 base score is 7.5 out of 10.