Advisory Details

August 13th, 2024

Microsoft Office PowerPoint PPTX File Parsing Use-After-Free Remote Code Execution Vulnerability

ZDI-24-1148
ZDI-CAN-24264

CVE ID CVE-2024-38171
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS Office PowerPoint
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Office PowerPoint. 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 PPTX files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. 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-2024-38171
DISCLOSURE TIMELINE
  • 2024-06-06 - Vulnerability reported to vendor
  • 2024-08-13 - Coordinated public release of advisory
  • 2024-08-15 - Advisory Updated
CREDIT Anonymous
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