PT-2020-14916 · Red Hat · Keycloak

Published 2020-06-22 · Updated 2020-06-29 · CVE-2020-1727

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Keycloak versions prior to 9.0.2

Description A flaw was found in the input validation of Authorization URLs pointing to an IDP server, allowing a wide range of characters. This issue enables a malicious actor to craft deep links, introducing further attack scenarios on affected clients.

Recommendations For versions prior to 9.0.2, update to version 9.0.2 or later to resolve the issue. As a temporary workaround, consider restricting the use of Authorization URLs that point to an IDP server to minimize the risk of exploitation.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2020-1727

Affected Products

Keycloak

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2020-1727 · Security Note
• https://osv.dev/vulnerability/CVE-2020-1727 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1727 · Vendor Advisory