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CVE-2023-6291

Keycloak: redirect_uri validation bypass

Published: Jan 26, 2024Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-601
NVD MITRE
7.1CVSSHIGH
EPSS Score
0.9%
Top 43.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A flaw was found in the redirect_uri validation logic in Keycloak. This issue may allow a bypass of otherwise explicitly allowed hosts. A successful attack may lead to an access token being stolen, making it possible for the attacker to impersonate other users.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:CC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-601

Affected Products

Red Hat build of Keycloak 22Red Hat
On-prem
Operating Systems / linux-distro
Red Hat build of Keycloak 22.0.7Red Hat
On-prem
Operating Systems / linux-distro
Red Hat Single Sign-On 7Red Hat
On-premSecurity Product
Security Products / identity-access-mgmt
Red Hat Single Sign-On 7.6 for RHEL 7Red Hat
On-premSecurity Product
Security Products / identity-access-mgmt
Red Hat Single Sign-On 7.6 for RHEL 8Red Hat
On-premSecurity Product
Security Products / identity-access-mgmt
red hatcommercialUSOperating Systemsaka red hat
and 20 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://access.redhat.com/errata/RHSA-2023:7854
access.redhat.com
https://access.redhat.com/errata/RHSA-2023:7855
access.redhat.com
https://access.redhat.com/errata/RHSA-2023:7856
access.redhat.com
and 15 more references View all →

Timeline

Published
Jan 26, 2024
Last Updated
Nov 21, 2024

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