CVE-2024-55926

7.6 HIGH

📋 TL;DR

A vulnerability in Xerox Workplace Suite allows attackers to read, upload, and delete arbitrary files on the server by manipulating HTTP headers. This occurs due to improper validation of header inputs, enabling unauthorized access to sensitive data. Organizations using affected versions of Xerox Workplace Suite are at risk.

💻 Affected Systems

Products:
  • Xerox Workplace Suite
Versions: All versions prior to the fix
Operating Systems: Windows, Linux
Default Config Vulnerable: ⚠️ Yes
Notes: Affects all deployments of Xerox Workplace Suite with web interface enabled.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of server data including sensitive files, configuration files, and potential lateral movement within the network.

🟠

Likely Case

Data exfiltration of sensitive documents and potential service disruption through file deletion.

🟢

If Mitigated

Limited impact with proper network segmentation and access controls preventing exploitation attempts.

🌐 Internet-Facing: HIGH - Directly accessible web interfaces can be exploited remotely without authentication.
🏢 Internal Only: MEDIUM - Internal attackers or compromised systems could exploit this vulnerability within the network.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: MEDIUM

Exploitation requires crafting specific HTTP headers but does not require authentication.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Refer to Xerox Security Bulletin XRX25-002 for specific patched versions

Vendor Advisory: https://securitydocs.business.xerox.com/wp-content/uploads/2025/01/Xerox-Security-Bulletin-XRX25-002-for-Xerox%C2%AE-WorkplaceSuite%C2%AE.pdf

Restart Required: No

Instructions:

1. Download the latest patch from Xerox support portal. 2. Apply the patch according to Xerox documentation. 3. Verify the installation was successful.

🔧 Temporary Workarounds

Network Access Restriction

all

Restrict network access to Xerox Workplace Suite web interface to trusted IP addresses only.

Web Application Firewall

all

Implement WAF rules to block malicious header manipulation attempts.

🧯 If You Can't Patch

  • Isolate the Xerox Workplace Suite server in a restricted network segment
  • Implement strict file system permissions and monitor for unauthorized file access

🔍 How to Verify

Check if Vulnerable:

Check current version against patched versions listed in Xerox Security Bulletin XRX25-002

Check Version:

Check version through Xerox Workplace Suite web interface or administration console

Verify Fix Applied:

Verify the installed version matches or exceeds the patched version specified in the bulletin

📡 Detection & Monitoring

Log Indicators:

  • Unusual file access patterns
  • HTTP requests with manipulated headers
  • File upload/deletion events from unexpected sources

Network Indicators:

  • HTTP requests with crafted headers targeting file paths
  • Unusual outbound data transfers

SIEM Query:

source="xerox_workplace" AND (header_manipulation OR file_access_anomaly)

🔗 References

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