CVE-2023-4918 Plaintext storage of user password
Attackers with minimal access can retrieve user passwords in plaintext due to improper storage during registration, compromising account security.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-4918?
CVE-2023-4918 is a high-severity vulnerability in Redhat Keycloak, published on 12 Sep 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A flaw was found in the Keycloak package, more specifically org.keycloak.userprofile. When a user registers itself through registration flow, the "password" and "password-confirm" field from the form will occur as regular user attributes. All users and clients with proper rights and roles are able to read users attributes, allowing a malicious user with minimal access to retrieve the users passwords in clear text, jeopardizing their environment.
Which versions are affected by CVE-2023-4918?
2 open source packages ship an affected version, including org.keycloak:keycloak-core. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.keycloak:keycloak-core Maven | From 22.0.2 | 22.0.3 |
org.keycloak:keycloak-core Maven | From 22.0.2 | 22.0.3 |
Products include Redhat Keycloak.
How do I fix CVE-2023-4918?
Upgrade org.keycloak:keycloak-core to 22.0.3 or later.
Is CVE-2023-4918 being exploited?
There is no known exploitation of CVE-2023-4918 in the wild and no public exploit code.
Other vulnerabilities in Redhat Keycloak
- CVE-2022-4361 Keycloak vulnerable to cross-site scripting when validating URI-schemes on SAML and OIDC
- CVE-2022-1245 Keycloak vulnerable to privilege escalation on Token Exchange feature
- CVE-2021-20195 keycloak Self Stored Cross-site Scripting vulnerability
- CVE-2019-14910 Keycloak Authentication Error
- CVE-2019-14909 Keycloak Authentication Error
Sources
Also known as GHSA-5q66-v53q-pm35.