Advisory Details

December 3rd, 2021

OpenText Brava! Desktop U3D File Parsing Use-After-Free Information Disclosure Vulnerability

ZDI-21-1394
ZDI-CAN-14095

CVE ID
CVSS SCORE 3.3, AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
AFFECTED VENDORS OpenText
AFFECTED PRODUCTS Brava! Desktop
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information on affected installations of OpenText Brava! Desktop. 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 U3D 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 in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.

ADDITIONAL DETAILS

Fixed in version 16.6.5.


DISCLOSURE TIMELINE
  • 2021-06-16 - Vulnerability reported to vendor
  • 2021-12-03 - Coordinated public release of advisory
CREDIT Mat Powell of Trend Micro Zero Day Initiative
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