Vulnerability identifier: #VU16027

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-10894

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Keycloak
Server applications / Directory software, identity management

Vendor: Keycloak

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists due to SAML authentication incorrectly authenticated expired certificates. A remote attacker can supply specially crafted certificates and gain access to potentially sensitive information.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Keycloak: 3.4.3

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External links
http://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10894

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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