CVE-2024-7260
📋 TL;DR
CVE-2024-7260 is an open redirect vulnerability in Keycloak that allows attackers to craft malicious URLs that appear to be legitimate Keycloak pages but redirect users to malicious websites. This affects Keycloak administrators and users who might click on specially crafted links, potentially leading to phishing attacks or credential theft. The vulnerability can be exploited by sending crafted URLs to Keycloak admins via email or other communication channels.
💻 Affected Systems
- Keycloak
📦 What is this software?
Keycloak by Redhat
⚠️ Risk & Real-World Impact
Worst Case
Successful phishing attack against Keycloak administrators leading to credential compromise, privilege escalation, and complete system takeover.
Likely Case
Phishing attacks targeting users to steal credentials or deliver malware through seemingly legitimate Keycloak redirects.
If Mitigated
Limited impact with user awareness training and proper URL filtering in place.
🎯 Exploit Status
Exploitation requires social engineering to get users to click malicious links but is technically simple to implement.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Keycloak 24.0.6, 23.0.11, or 22.1.13
Vendor Advisory: https://access.redhat.com/security/cve/CVE-2024-7260
Restart Required: Yes
Instructions:
1. Download and install Keycloak version 24.0.6, 23.0.11, or 22.1.13 from official sources. 2. Stop the Keycloak service. 3. Apply the update. 4. Restart the Keycloak service. 5. Verify the update was successful.
🔧 Temporary Workarounds
Input Validation Filter
allImplement server-side validation to reject URLs with suspicious redirect parameters
Configure web application firewall rules to block requests with malformed referrer parameters
🧯 If You Can't Patch
- Implement strict URL validation and filtering at the network perimeter
- Deploy user awareness training about phishing risks and suspicious links
🔍 How to Verify
Check if Vulnerable:
Check Keycloak version against affected versions: 24.x < 24.0.6, 23.x < 23.0.11, 22.x < 22.1.13Check Version:
./kc.sh --version or check Keycloak admin consoleVerify Fix Applied:
Verify Keycloak version is 24.0.6, 23.0.11, 22.1.13 or later📡 Detection & Monitoring
Log Indicators:
- Unusual redirect patterns in access logs
- Requests with encoded referrer parameters
Network Indicators:
- HTTP 302 redirects to unexpected domains
- Suspicious URL patterns in web traffic
SIEM Query:
source="keycloak" AND (url="*referrer=*" OR url="*redirect_uri=*") AND status=302