Vulnerability Name:

CVE-2020-10734 (CCN-196950)

Assigned:2020-03-20
Published:2021-02-09
Updated:2021-02-26
Summary:A vulnerability was found in keycloak in the way that the OIDC logout endpoint does not have CSRF protection. Versions shipped with Red Hat Fuse 7, Red Hat Single Sign-on 7, and Red Hat Openshift Application Runtimes are believed to be vulnerable.
CVSS v3 Severity:3.3 Low (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L)
2.9 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
4.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N)
3.8 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-352
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-10734

Source: CCN
Type: Red Hat Web site
Red Hat Single Sign-On

Source: CCN
Type: Red Hat Bugzilla – Bug 1831662
(CVE-2020-10734) - CVE-2020-10734 keycloak: OIDC logout endpoint CSRF

Source: MISC
Type: Issue Tracking, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1831662

Source: CCN
Type: Red Hat Web site
OpenShift Application Runtimes

Source: XF
Type: UNKNOWN
keycloak-cve202010734-csrf(196950)

Source: MISC
Type: Permissions Required, Vendor Advisory
https://issues.redhat.com/browse/KEYCLOAK-13653

Source: CCN
Type: Keycloak Web site
Keycloak

Source: CCN
Type: Red Hat Web site
Red Hat Fuse

Vulnerable Configuration:Configuration 1:
  • cpe:/a:redhat:keycloak:-:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/a:redhat:jboss_fuse:7.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:redhat:openshift_application_runtimes:-:*:*:*:*:*:*:*
  • OR cpe:/a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:redhat:keycloak:7.0.1:*:*:*:*:*:*:*
  • AND
  • cpe:/a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*
  • OR cpe:/a:redhat:openshift_application_runtimes:-:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    redhat keycloak -
    redhat jboss fuse 7.0.0
    redhat openshift application runtimes -
    redhat single sign-on 7.0
    redhat keycloak 7.0.1
    redhat single sign-on 7.0
    redhat openshift application runtimes -