Bug 1836786 (CVE-2020-10748) - CVE-2020-10748 keycloak: top-level navigations to data URLs resulting in XSS are possible (incomplete fix of CVE-2020-1697)
Summary: CVE-2020-10748 keycloak: top-level navigations to data URLs resulting in XSS ...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2020-10748
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 1836784
TreeView+ depends on / blocked
 
Reported: 2020-05-18 07:08 UTC by Paramvir jindal
Modified: 2020-07-30 13:01 UTC (History)
38 users (show)

Fixed In Version: RHSSO 7.4.1
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in Keycloak's data filter, where it allowed the processing of data URLs in some circumstances. This flaw allows an attacker to conduct cross-site scripting or further attacks.
Clone Of:
Environment:
Last Closed: 2020-07-02 13:27:48 UTC


Attachments (Terms of Use)


Links
System ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2020:2813 None None None 2020-07-02 13:21:54 UTC

Description Paramvir jindal 2020-05-18 07:08:01 UTC
Insufficient filtering of Client baseUrl (follow-up to CVE-2020-1697)

https://issues.redhat.com/browse/KEYCLOAK-14149

Comment 5 Paramvir jindal 2020-05-19 11:13:36 UTC
Acknowledgments:

Name: Lauritz Holtmann (Chair for Network and Data Security at Ruhr University Bochum)

Comment 8 errata-xmlrpc 2020-07-02 13:21:51 UTC
This issue has been addressed in the following products:

  Red Hat Single Sign-On 7.4.1

Via RHSA-2020:2813 https://access.redhat.com/errata/RHSA-2020:2813

Comment 9 Product Security DevOps Team 2020-07-02 13:27:48 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-10748


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