CVE-2023-4964
📋 TL;DR
This CVE describes an open redirect vulnerability in OpenText Service Management Automation X (SMAX) and Asset Management X (AMX) that could allow attackers to redirect users to malicious websites. The vulnerability affects multiple versions of both products, potentially enabling phishing attacks or credential theft.
💻 Affected Systems
- OpenText Service Management Automation X (SMAX)
- OpenText Asset Management X (AMX)
📦 What is this software?
Service Management Automation X by Microfocus
Service Management Automation X by Microfocus
Service Management Automation X by Microfocus
Service Management Automation X by Microfocus
Service Management Automation X by Microfocus
Service Management Automation X by Microfocus
Service Management Automation X by Microfocus
Service Management Automation X by Microfocus
⚠️ Risk & Real-World Impact
Worst Case
Attackers could redirect authenticated users to malicious sites that steal credentials, install malware, or conduct phishing attacks, potentially leading to full system compromise.
Likely Case
Attackers would use this to redirect users to phishing sites to steal credentials or deliver malware through social engineering.
If Mitigated
With proper web application firewalls and user awareness training, impact would be limited to failed phishing attempts.
🎯 Exploit Status
Open redirect vulnerabilities typically require user interaction (clicking a link) but are easy to exploit once discovered.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply patches as specified in OpenText advisory KM000022703
Vendor Advisory: https://portal.microfocus.com/s/article/KM000022703?language=en_US
Restart Required: Yes
Instructions:
1. Review OpenText advisory KM000022703. 2. Download appropriate patches from OpenText support portal. 3. Apply patches following OpenText installation procedures. 4. Restart affected services.
🔧 Temporary Workarounds
Web Application Firewall Rules
allImplement WAF rules to block open redirect attempts by validating and restricting URL parameters.
Input Validation
allImplement server-side validation of all URL parameters to prevent redirects to external domains.
🧯 If You Can't Patch
- Implement strict web application firewall rules to detect and block open redirect attempts
- Educate users about phishing risks and implement URL filtering at network perimeter
🔍 How to Verify
Check if Vulnerable:
Check if your SMAX/AMX version falls within affected ranges listed in the advisory.Check Version:
Check version through SMAX/AMX administrative interface or consult system documentation.Verify Fix Applied:
Verify patch installation through administrative console and test redirect functionality with controlled test URLs.📡 Detection & Monitoring
Log Indicators:
- Unusual redirect patterns in web server logs
- Requests with suspicious URL parameters containing external domains
Network Indicators:
- HTTP 302/301 redirects to unexpected external domains
- Suspicious referrer headers
SIEM Query:
web.url contains "redirect" AND web.url contains external_domain NOT IN allowed_domains