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keycloak vulnerabilities and exploits
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8.8
CVSSv3
CVE-2020-1714
A flaw was found in Keycloak before version 11.0.0, where the code base contains usages of ObjectInputStream without type checks. This flaw allows an malicious user to inject arbitrarily serialized Java Objects, which would then get deserialized in a privileged context and potent...
Redhat Keycloak
Redhat Decision Manager 7.0
Redhat Jboss Fuse 7.0.0
Redhat Openshift Application Runtimes -
Redhat Process Automation 7.0
Redhat Single Sign-on 7.0
Quarkus Quarkus
5
CVSSv3
CVE-2023-0264
A flaw was found in Keycloaks OpenID Connect user authentication, which may incorrectly authenticate requests. An authenticated attacker who could obtain information from a user request within the same realm could use that data to impersonate the victim and generate new session t...
Redhat Keycloak
Redhat Single Sign-on
Redhat Openshift Container Platform 4.9
Redhat Openshift Container Platform 4.10
Redhat Openshift Container Platform For Ibm Linuxone 4.9
Redhat Openshift Container Platform For Ibm Linuxone 4.10
Redhat Openshift Container Platform Ibm Z Systems 4.9
Redhat Openshift Container Platform Ibm Z Systems 4.10
Redhat Single Sign-on -
1 Github repository
6.1
CVSSv3
CVE-2022-4361
Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the SAML or OIDC providers. The vulnerability can allow an malicious user to execute malicious scripts by setting the AssertionConsumerServiceURL value or the redir...
Redhat Keycloak
Redhat Single Sign-on
Redhat Single Sign-on -
Redhat Openshift Container Platform 4.11
Redhat Openshift Container Platform 4.12
Redhat Openshift Container Platform For Ibm Linuxone 4.9
Redhat Openshift Container Platform For Ibm Linuxone 4.10
Redhat Openshift Container Platform For Power 4.9
Redhat Openshift Container Platform For Power 4.10
5.4
CVSSv3
CVE-2023-6134
A flaw was found in Keycloak that prevents certain schemes in redirects, but permits them if a wildcard is appended to the token. This issue could allow an malicious user to submit a specially crafted request leading to cross-site scripting (XSS) or further attacks. This flaw is ...
Redhat Single Sign-on
Redhat Keycloak
Redhat Openshift Container Platform 4.11
Redhat Openshift Container Platform 4.12
Redhat Openshift Container Platform For Power 4.9
Redhat Openshift Container Platform For Power 4.10
Redhat Openshift Container Platform Ibm Z Systems 4.9
Redhat Openshift Container Platform Ibm Z Systems 4.10
Redhat Single Sign-on -
7.7
CVSSv3
CVE-2023-6563
An unconstrained memory consumption vulnerability exists in Keycloak. It can be triggered in environments which have millions of offline tokens (> 500,000 users with each having at least 2 saved sessions). If an attacker creates two or more user sessions and then open the &quo...
Redhat Keycloak
Redhat Single Sign-on 7.6
Redhat Single Sign-on -
Redhat Openshift Container Platform 4.11
Redhat Openshift Container Platform 4.12
Redhat Openshift Container Platform For Power 4.9
Redhat Openshift Container Platform For Power 4.10
Redhat Openshift Container Platform For Ibm Linuxone 4.9
Redhat Openshift Container Platform For Ibm Linuxone 4.10
6.8
CVSSv3
CVE-2022-3916
A flaw was found in the offline_access scope in Keycloak. This issue would affect users of shared computers more (especially if cookies are not cleared), due to a lack of root session validation, and the reuse of session ids across root and user authentication sessions. This enab...
Redhat Single Sign-on -
Redhat Keycloak
Redhat Single Sign-on 7.6
Redhat Openshift Container Platform 4.9
Redhat Openshift Container Platform 4.10
Redhat Openshift Container Platform For Linuxone 4.9
Redhat Openshift Container Platform For Linuxone 4.10
Redhat Openshift Container Platform For Power 4.9
Redhat Openshift Container Platform For Power 4.10
Redhat Openshift Container Platform Ibm Z Systems 4.9
Redhat Openshift Container Platform Ibm Z Systems 4.10
7.1
CVSSv3
CVE-2023-6291
A flaw was found in the redirect_uri validation logic in Keycloak. This issue may allow a bypass of otherwise explicitly allowed hosts. A successful attack may lead to an access token being stolen, making it possible for the malicious user to impersonate other users.
Redhat Single Sign-on -
Redhat Keycloak
Redhat Openshift Container Platform 4.11
Redhat Openshift Container Platform 4.12
Redhat Openshift Container Platform For Ibm Z 4.9
Redhat Openshift Container Platform For Ibm Z 4.10
Redhat Openshift Container Platform For Linuxone 4.9
Redhat Openshift Container Platform For Linuxone 4.10
Redhat Openshift Container Platform For Power 4.9
Redhat Openshift Container Platform For Power 4.10
Redhat Single Sign-on 7.6
Redhat Migration Toolkit For Applications 6.0
Redhat Migration Toolkit For Applications 7.0
NA
CVE-2024-34529
Nebari up to and including 2024.4.1 prints the temporary Keycloak root password.
7.3
CVSSv3
CVE-2021-20202
A flaw was found in keycloak. Directories can be created prior to the Java process creating them in the temporary directory, but with wider user permissions, allowing the malicious user to have access to the contents that keycloak stores in this directory. The highest threat from...
NA
CVE-2023-6484
A log injection flaw was found in Keycloak. A text string may be injected through the authentication form when using the WebAuthn authentication mode. This issue may have a minor impact to the logs integrity.
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
NULL pointer dereference
CVE-2023-52689
CVE-2024-23803
client side
CVE-2023-52696
information disclosure
CVE-2024-35843
CVE-2024-27130
CVE-2023-52697
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