Account lockout in Keycloak



Published: 2023-07-20
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-0105
CWE-ID CWE-841
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Keycloak
Server applications / Directory software, identity management

Vendor Keycloak

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper enforcement of behavioral workflow

EUVDB-ID: #VU78469

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-0105

CWE-ID: CWE-841 - Improper Enforcement of Behavioral Workflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to lock out other users.

The vulnerability exists due to incorrect handling of email trust, caused by handling of the verified account state when changing the email address. A remote attacker can lock our or impersonate other users.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Keycloak: 20.0.0 - 22.0.0

External links

http://access.redhat.com/security/cve/CVE-2023-0105


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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