CVE-2017-12158

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Summary

CVECVE-2017-12158
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-10-26 17:29:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionIt was found that Keycloak would accept a HOST header URL in the admin console and use it to determine web resource locations. An attacker could use this flaw against an authenticated user to attain reflected XSS via a malicious server.

Risk And Classification

Primary CVSS: v3.0 5.4 MEDIUM from [email protected]

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Problem Types: CWE-444 | CWE-79 | CWE-444 CWE-444

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary5.4MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
2.0[email protected]Primary3.5AV:N/AC:M/Au:S/C:N/I:P/A:N

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
Single
Confidentiality
None
Integrity
Partial
Availability
None

AV:N/AC:M/Au:S/C:N/I:P/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Keycloak Keycloak - All All All
Operating System Redhat Enterprise Linux Server 6.0 All All All
Operating System Redhat Enterprise Linux Server 7.0 All All All
Application Redhat Single Sign On 7.0 All All All
Application Redhat Single Sign On 7.1 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Red Hat Inc. Keycloak affected 3.4.0 Not specified

References

ReferenceSourceLinkTags
1489161 – (CVE-2017-12158) CVE-2017-12158 keycloak: reflected XSS using HOST header af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com Third Party Advisory
JBoss KeyCloak CVE-2017-12158 Cross Site Scripting Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com Third Party Advisory
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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