Microsoft Project MPT File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

October 6th, 2021
ZDI-21-1144 ZDI-CAN-14518

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

Project

Vulnerability Details

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Microsoft Project. 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 MPT 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 buffer. An attacker can leverage this vulnerability to disclose information in the context of the current process.

Additional Details

fixed in version 16.0.14228.20000


Disclosure Timeline

  • 2021-07-30 - Vulnerability reported to vendor
  • 2021-10-06 - Coordinated public release of advisory

Credit

Tran Van Khang - khangkito (VinCSS)

Back to Advisories