Advisory Details

June 2nd, 2021

OpenText Brava! Desktop DWF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

ZDI-21-638
ZDI-CAN-12744

CVE ID CVE-2021-31498
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 DWF 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 data structure. 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 6.6.4.114


DISCLOSURE TIMELINE
  • 2021-03-10 - Vulnerability reported to vendor
  • 2021-06-02 - Coordinated public release of advisory
CREDIT rgod
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