CVE-2021-42369
📋 TL;DR
CVE-2021-42369 is a SQL injection vulnerability in Imagicle Application Suite for Cisco UC, allowing low-privileged users to inject SQL statements via the 'Export to CSV' feature in the Contact Manager web GUI. This could lead to unauthorized data access or manipulation. Affected systems are those running Imagicle Application Suite before version 2021.Summer.2.
💻 Affected Systems
- Imagicle Application Suite for Cisco UC
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
An attacker could execute arbitrary SQL commands, potentially leading to full database compromise, data exfiltration, or remote code execution on the underlying server.
Likely Case
Low-privileged users exploit the vulnerability to access or modify sensitive contact data, escalate privileges, or disrupt application functionality.
If Mitigated
With proper input validation and patching, the risk is minimized to no impact, as SQL injection attempts are blocked or sanitized.
🎯 Exploit Status
Exploitation requires low-privileged user access; public proof-of-concept details are available in GitHub repositories, making it easy to weaponize.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2021.Summer.2 or later
Vendor Advisory: https://www.imagicle.com/en/resources/download/
Restart Required: Yes
Instructions:
1. Download the latest version (2021.Summer.2 or newer) from the Imagicle website. 2. Backup current configuration and data. 3. Install the update following vendor instructions. 4. Restart the Imagicle Application Suite services to apply changes.
🔧 Temporary Workarounds
Disable 'Export to CSV' Feature
allTemporarily disable the vulnerable 'Export to CSV' functionality in the Contact Manager web GUI to block exploitation vectors.
No specific commands; configure via web GUI or application settings to restrict access to export features.
Implement Web Application Firewall (WAF) Rules
allDeploy WAF rules to detect and block SQL injection patterns in HTTP requests targeting the export endpoint.
Example WAF rule: Block requests containing SQL keywords like 'UNION', 'SELECT', 'INSERT' in parameters related to export functions.
🧯 If You Can't Patch
- Restrict network access to the Imagicle web GUI to trusted IPs only, minimizing exposure to potential attackers.
- Enforce least privilege by reviewing and reducing user permissions, ensuring only necessary users have access to the Contact Manager features.
🔍 How to Verify
Check if Vulnerable:
Check the Imagicle Application Suite version via the web GUI admin panel or system logs; if version is earlier than 2021.Summer.2, it is vulnerable.Check Version:
No specific command; use the web GUI or check application documentation for version details.Verify Fix Applied:
After patching, confirm the version is 2021.Summer.2 or later and test the 'Export to CSV' feature with SQL injection attempts to ensure they are blocked.📡 Detection & Monitoring
Log Indicators:
- Log entries showing SQL errors or unusual database queries from the Contact Manager export function, especially with suspicious parameters.
Network Indicators:
- HTTP POST requests to export endpoints containing SQL injection payloads, such as 'UNION SELECT' strings.
SIEM Query:
Example: source="imagicle_logs" AND (message CONTAINS "SQL" OR message CONTAINS "export") AND (parameter CONTAINS "SELECT" OR parameter CONTAINS "UNION")🔗 References
- https://github.com/dawid-czarnecki/public-vulnerabilities/tree/master/Imagicle/CVE
- https://www.imagicle.com/en/resources/download/
- https://zigrin.com/advisories/imagicle-sql-injection-vulnerability-in-contacts-csv-export/
- https://github.com/dawid-czarnecki/public-vulnerabilities/tree/master/Imagicle/CVE
- https://www.imagicle.com/en/resources/download/
- https://zigrin.com/advisories/imagicle-sql-injection-vulnerability-in-contacts-csv-export/
