8.8
Advisory Published

ZDI-CAN-13588: (Pwn2Own) Microsoft Exchange Server Arbitrary File Write Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Exchange Server. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of mailbox export. The issue results from the lack of proper validation of user-supplied data, which can allow the upload of arbitrary files. An attacker can leverage this vulnerability to execute arbitrary code in the context of SYSTEM.

Affected SoftwareAffected VersionHow to fix
Microsoft Exchange

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Frequently Asked Questions

  • What is the severity of ZDI-CAN-13588?

    ZDI-CAN-13588 is considered critical due to its potential to allow remote code execution by bypassing authentication mechanisms.

  • How do I fix ZDI-CAN-13588?

    To fix ZDI-CAN-13588, ensure that your Microsoft Exchange Server is updated with the latest security patches provided by Microsoft.

  • What versions of Microsoft Exchange are affected by ZDI-CAN-13588?

    ZDI-CAN-13588 affects multiple versions of Microsoft Exchange Server; verify your specific version against the Microsoft advisory.

  • Can ZDI-CAN-13588 be exploited without authentication?

    Exploitation of ZDI-CAN-13588 requires authentication, but the authentication mechanism can be bypassed.

  • What are the potential impacts of ZDI-CAN-13588?

    The potential impacts of ZDI-CAN-13588 include unauthorized remote code execution, which could lead to data breaches or system compromise.

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