CVE-2017-12161 Moderate severity vulnerability that affects org.keycloak:keycloak-core
Attackers can spoof URLs via hosts file to craft malicious password reset requests, potentially gaining valid tokens and compromising accounts.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2017-12161?
CVE-2017-12161 is a high-severity vulnerability in Red Hat, Inc. Keycloak, published on 21 Feb 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
It was found that keycloak before 3.4.2 final would permit misuse of a client-side /etc/hosts entry to spoof a URL in a password reset request. An attacker could use this flaw to craft a malicious password reset request and gain a valid reset token, leading to information disclosure or further attacks.
Which versions are affected by CVE-2017-12161?
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 | All versions | 3.4.2 |
org.keycloak:keycloak-core Maven | All versions | 3.4.2 |
Products include Keycloak Keycloak.
How do I fix CVE-2017-12161?
Upgrade org.keycloak:keycloak-core to 3.4.2 or later.
Is CVE-2017-12161 being exploited?
There is no known exploitation of CVE-2017-12161 in the wild and no public exploit code.
Other vulnerabilities in Red Hat, Inc. Keycloak
Sources
Also known as CVE-2017-1000500, GHSA-959q-32g8-vvp7.