Advisory Details

April 14th, 2023

Schneider Electric APC Easy UPS Online getMacAddressByIP Command Injection Remote Code Execution Vulnerability

ZDI-23-445
ZDI-CAN-19269

CVE ID CVE-2023-29412
CVSS SCORE 9.8, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Schneider Electric
AFFECTED PRODUCTS APC Easy UPS Online
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Schneider Electric APC Easy UPS Online. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the getMacAddressByIP function. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.

ADDITIONAL DETAILS Schneider Electric has issued an update to correct this vulnerability. More details can be found at:
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2023-101-04&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2023-101-04.pdf
DISCLOSURE TIMELINE
  • 2022-11-30 - Vulnerability reported to vendor
  • 2023-04-14 - Coordinated public release of advisory
CREDIT Esjay (@esj4y)
BACK TO ADVISORIES