7.8
Advisory Published

ZDI-21-091: Schneider Electric IGSS CGF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Schneider Electric IGSS. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of CGF files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process.

Affected SoftwareAffected VersionHow to fix
Schneider Electric IGSS

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Frequently Asked Questions

  • What is the severity of ZDI-21-091?

    ZDI-21-091 is classified as a medium severity vulnerability that allows remote code execution upon user interaction.

  • How do I fix ZDI-21-091?

    To mitigate ZDI-21-091, users should apply the latest security updates provided by Schneider Electric for the IGSS software.

  • What type of attack is ZDI-21-091 associated with?

    ZDI-21-091 is associated with remote code execution attacks that require user interaction to exploit.

  • Which software is affected by ZDI-21-091?

    ZDI-21-091 affects Schneider Electric IGSS installations.

  • Is user interaction necessary to exploit ZDI-21-091?

    Yes, user interaction is required, as the target must visit a malicious page or open a malicious file.

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