Advisory Details

March 18th, 2025

Progress Software Kemp LoadMaster mangle Stack-based Buffer Overflow Remote Code Execution Vulnerability

ZDI-25-151
ZDI-CAN-25708

CVE ID CVE-2025-1758
CVSS SCORE 9.8, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Progress Software
AFFECTED PRODUCTS Kemp LoadMaster
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Progress Software Kemp LoadMaster. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the mangle executable. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the bal user.

ADDITIONAL DETAILS Progress Software has issued an update to correct this vulnerability. More details can be found at:
https://docs.progress.com/bundle/release-notes_loadmaster-7-2-61-1/page/Security-Updates.html
DISCLOSURE TIMELINE
  • 2024-11-13 - Vulnerability reported to vendor
  • 2025-03-18 - Coordinated public release of advisory
  • 2025-03-18 - Advisory Updated
CREDIT Nicholas Zubrisky (@NZubrisky) of Trend Micro Security Research
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