Advisory Details

May 10th, 2023

Microsoft Office Visio DXF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

ZDI-23-572
ZDI-CAN-20167

CVE ID
CVSS SCORE 3.3, AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS Office Visio
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information 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 DXF files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary 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://portal.msrc.microsoft.com/en-us/security-guidance/researcher-acknowledgments-online-services
DISCLOSURE TIMELINE
  • 2023-01-20 - Vulnerability reported to vendor
  • 2023-05-10 - Coordinated public release of advisory
CREDIT Mat Powell of Trend Micro Zero Day Initiative
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