Progress Software WS_FTP Directory Traversal Information Disclosure Vulnerability

August 29th, 2024
ZDI-24-1184 ZDI-CAN-22322

CVE ID

CVE-2024-7744

CVSS Score

4.3 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected Vendors

Progress Software

Affected Products

WS_FTP

Vulnerability Details

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Progress Software WS_FTP. Authentication is required to exploit this vulnerability.

The specific flaw exists within the FileHandler module. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose information in the context of NETWORK SERVICE.

Additional Details

Progress Software has issued an update to correct this vulnerability. More details can be found at:
https://community.progress.com/s/article/WS-FTP-Server-Service-Pack-August-2024

Disclosure Timeline

  • 2024-05-15 - Vulnerability reported to vendor
  • 2024-08-29 - Coordinated public release of advisory
  • 2024-08-29 - Advisory Updated

Credit

Le Ngoc Anh (@L3ng0c4nh) of Sun* CSR and @dieulink of NCSC VietNam

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