CVE-2023-49031
📋 TL;DR
This CVE describes a Directory Traversal vulnerability in the Tikit (now Advanced) eMarketing platform that allows remote attackers to read arbitrary files on the server. Attackers can exploit this by sending crafted payloads to the OpenLogFile endpoint's filename parameter, potentially exposing sensitive information. Organizations using Tikit eMarketing platform version 6.8.3.0 are affected.
💻 Affected Systems
- Tikit (now Advanced) eMarketing platform
📦 What is this software?
Tikit Emarketing by Oneadvanced
⚠️ Risk & Real-World Impact
Worst Case
Complete server compromise through reading sensitive configuration files, database credentials, or SSH keys, leading to lateral movement and data exfiltration.
Likely Case
Exposure of sensitive configuration files, user data, or system information that could be used for further attacks.
If Mitigated
Limited information disclosure if proper file permissions and web server configurations are in place.
🎯 Exploit Status
Public proof-of-concept code is available on GitHub, making exploitation straightforward for attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Unknown
Restart Required: No
Instructions:
Check with Advanced (formerly Tikit) for official patches or updates. Upgrade to a patched version when available.
🔧 Temporary Workarounds
Web Application Firewall (WAF) Rules
allImplement WAF rules to block directory traversal patterns in filename parameters
Input Validation
allAdd server-side validation to reject filename parameters containing path traversal sequences
🧯 If You Can't Patch
- Restrict access to the OpenLogFile endpoint using network ACLs or authentication
- Implement strict file system permissions to limit what files the web application can read
🔍 How to Verify
Check if Vulnerable:
Test the OpenLogFile endpoint with directory traversal payloads (e.g., ../../etc/passwd) and check if sensitive files are returned.Check Version:
Check the software version through the application interface or configuration files.Verify Fix Applied:
Retest with the same payloads after applying mitigations to ensure they are blocked or return errors.📡 Detection & Monitoring
Log Indicators:
- Unusual requests to OpenLogFile endpoint with ../ sequences
- Multiple failed attempts to access sensitive file paths
Network Indicators:
- HTTP requests containing directory traversal patterns in parameters
SIEM Query:
web.url:*OpenLogFile* AND (web.param:*../* OR web.param:*..\*)