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Microsoft Office Visio DWG File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

December 15th, 2022

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Office Visio. 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 DWG files. Crafted data in a DWG file can trigger a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

Additional Details

Microsoft has issued an update to correct this vulnerability. More details can be found at:
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-44694

Disclosure Timeline

  • 2022-09-30 - Vulnerability reported to vendor
  • 2022-12-15 - Coordinated public release of advisory

Credit

Mat Powell of Trend Micro Zero Day Initiative

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