Advisory Details

June 2nd, 2021

OpenText Brava! Desktop SLDPRT File Parsing Untrusted Pointer Dereference Remote Code Execution Vulnerability

ZDI-21-621
ZDI-CAN-12659

CVE ID CVE-2021-31481
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 SLDPRT files. The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. 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
  • 2021-02-08 - Vulnerability reported to vendor
  • 2021-06-02 - Coordinated public release of advisory
CREDIT rgod
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