Summaryinfo

A vulnerability, which was classified as critical, was found in Keycloak. Affected is an unknown function of the component WebAuthn. The manipulation leads to improper authentication. This vulnerability is traded as CVE-2021-3632. There is no exploit available. It is recommended to apply a patch to fix this issue. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Keycloak (version unknown). This issue affects an unknown function of the component WebAuthn. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A flaw was found in Keycloak. This vulnerability allows anyone to register a new security device or key when there is not a device already registered for any user by using the WebAuthn password-less login flow.

The weakness was shared 08/26/2022. The advisory is shared at github.com. The identification of this vulnerability is CVE-2021-3632 since 07/01/2021. Neither technical details nor an exploit are publicly available.

Applying the patch 65480cb5a11630909c086f79d396004499fbd1e4 is able to eliminate this problem. The bugfix is ready for download at github.com.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• Keycloak

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Discussion