Advisory Published

ZDI-CAN-16486: (Pwn2Own) Kepware KEPServerEX Heap-based Buffer Overflow Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Kepware KEPServerEX. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of text encoding conversions. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.

Affected SoftwareAffected VersionHow to fix
PTC Kepware KEPServerEX

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Frequently Asked Questions

  • What is the severity of ZDI-CAN-16486?

    The severity of ZDI-CAN-16486 is critical due to the potential for remote code execution without authentication.

  • How do I fix ZDI-CAN-16486?

    To fix ZDI-CAN-16486, it is recommended to update to the latest version of Kepware KEPServerEX that addresses this vulnerability.

  • Who is affected by ZDI-CAN-16486?

    The vulnerability ZDI-CAN-16486 affects installations of Kepware KEPServerEX software.

  • Can ZDI-CAN-16486 be exploited remotely?

    Yes, ZDI-CAN-16486 can be exploited remotely by attackers without the need for authentication.

  • What type of vulnerability is ZDI-CAN-16486?

    ZDI-CAN-16486 is a remote code execution vulnerability resulting from improper handling of text encoding conversions.

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