CVE-2023-32759

7.5 HIGH

📋 TL;DR

This vulnerability in Archer Platform allows authenticated attackers to access sensitive information by crafting specific URLs. It affects Archer Platform versions before 6.13, specifically those not updated to 6.12.0.6 or 6.13.0. Organizations using vulnerable versions are at risk of data exposure.

💻 Affected Systems

Products:
  • Archer Platform
Versions: All versions before 6.13, except 6.12.0.6 and 6.13.0
Operating Systems: Windows Server, Linux (RHEL, CentOS, Ubuntu)
Default Config Vulnerable: ⚠️ Yes
Notes: Requires authenticated access; affects all default configurations of vulnerable versions.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete exposure of sensitive Archer Platform data including confidential business information, credentials, or personally identifiable information to authenticated attackers.

🟠

Likely Case

Unauthorized access to sensitive configuration data, user information, or system details that could facilitate further attacks.

🟢

If Mitigated

Limited impact with proper authentication controls and network segmentation, though information disclosure still occurs.

🌐 Internet-Facing: HIGH - Internet-facing Archer instances are directly accessible to attackers who can obtain valid credentials.
🏢 Internal Only: MEDIUM - Internal attackers with valid credentials can exploit this, but requires network access and authentication.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires authenticated access but involves simple URL manipulation.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 6.12.0.6 or 6.13.0

Vendor Advisory: https://www.archerirm.community/t5/security-advisories/archer-update-for-multiple-vulnerabilities/ta-p/702362

Restart Required: Yes

Instructions:

1. Download Archer Platform update 6.12.0.6 or 6.13.0 from Archer Community. 2. Backup Archer database and application files. 3. Run the update installer following Archer upgrade documentation. 4. Restart Archer services and verify functionality.

🔧 Temporary Workarounds

Restrict URL Access

all

Implement web application firewall rules to block suspicious URL patterns

Enhanced Authentication Controls

all

Implement multi-factor authentication and strict access controls to limit authenticated users

🧯 If You Can't Patch

  • Implement strict network segmentation to isolate Archer Platform from untrusted networks
  • Enhance monitoring for unusual URL access patterns and implement rate limiting

🔍 How to Verify

Check if Vulnerable:

Check Archer Platform version in Archer Control Panel or via Archer API. Versions below 6.12.0.6 (except 6.13.0) are vulnerable.

Check Version:

Check Archer Control Panel > About or use Archer API endpoint for version information

Verify Fix Applied:

Verify version shows 6.12.0.6 or 6.13.0 in Archer Control Panel and test that crafted URLs no longer return sensitive information.

📡 Detection & Monitoring

Log Indicators:

  • Unusual URL patterns in web server logs
  • Multiple failed authentication attempts followed by successful access
  • Access to sensitive endpoints by non-admin users

Network Indicators:

  • Unusual HTTP request patterns to Archer URLs
  • Traffic spikes to specific Archer endpoints

SIEM Query:

source="archer_web_logs" AND (url="*sensitive*" OR url="*crafted*" OR status=200 AND user_agent="*suspicious*")

🔗 References

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