Session Replacement Flaw in Keycloak by Red Hat
CVE-2018-10912

4.4MEDIUM

Key Information:

Vendor

[unknown]

Status
Keycloak
Vendor
CVE Published:
23 July 2018

What is CVE-2018-10912?

Keycloak, an open-source Identity and Access Management solution by Red Hat, contains a vulnerability in session replacement prior to version 4.0.0.final. This issue arises in a clustered environment where an expired session can lead to an infinite loop due to improper handling. Malicious authenticated users are able to exploit this flaw, potentially resulting in a Denial of Service situation for the server, affecting overall functionality and accessibility.

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Affected Version(s)

keycloak Keycloak 4.0.0.Final

References

https://access.redhat.com/errata/RHSA-2018:2428
vendor-advisoryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10912
x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2019:0877
vendor-advisoryx_refsource_REDHAT

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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