OpenText Brava! Desktop IGS File Parsing Uninitialized Pointer Remote Code Execution Vulnerability

June 7th, 2021
ZDI-21-645 ZDI-CAN-12690

CVE ID

CVE-2021-31503

CVSS Score

7.8 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors

OpenText

Affected Products

Brava! Desktop

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code 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 IGS files. The issue results from the lack of proper initialization of a pointer prior to accessing it. An attacker can leverage this vulnerability to execute code in the context of the current process.

Additional Details

Fixed in version 16.6.4.92


Disclosure Timeline

  • 2021-01-22 - Vulnerability reported to vendor
  • 2021-06-07 - Coordinated public release of advisory

Credit

rgod

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