CVE-2018-14655

A flaw was found in Keycloak 3.4.3.Final, 4.0.0.Beta2, 4.3.0.Final. When using 'response_mode=form_post' it is possible to inject arbitrary Javascript-Code via the 'state'-parameter in the authentication URL. This allows an XSS-Attack upon succesfully login.

CVSS v3.0 5.4 MEDIUM
CVSS v2.0 3.5 LOW

5.4^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

3.5^/10

CVSS v2.0 : LOW

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

Exploitability : 6.8 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14655	Issue Tracking Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3595	Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3593	Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3592	Vendor Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:redhat:keycloak:4.0.0:beta2::::::
	cpe:2.3:a:redhat:keycloak:4.3.0:::::::*
	cpe:2.3:a:redhat:keycloak:3.4.3:::::::*

Configuration 2 (hide)

AND

cpe:2.3:a:redhat:single_sign-on:7.2:*:*:*:*:*:*:*

cpe:2.3:o:redhat:linux:7.0:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:a:redhat:single_sign-on:7.2:*:*:*:*:*:*:*

cpe:2.3:o:redhat:linux:6.0:*:*:*:*:*:*:*

Configuration 4 (hide)

cpe:2.3:a:redhat:single_sign-on:-:*:*:*:text-only:*:*:*

Information

Published : 2018-11-13 11:29

Updated : 2019-10-09 16:35

NVD link : CVE-2018-14655

Mitre link : CVE-2018-14655

JSON object : View

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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Products Affected

redhat

linux
single_sign-on
keycloak

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