CVE-2021-31491highCWE-787

CVE-2021-31491: high-severity vulnerability in OpenText Brava! Desktop

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.8epss 1.4%
In short

OpenText Brava! Desktop has a flaw in how it reads DWF files that allows attackers to run malicious code if you open a specially crafted file. This happens because the program doesn't properly check the file data before processing it.

Technical detail

A buffer overflow vulnerability exists in OpenText Brava! Desktop 16.6.3.84's DWF file parser due to insufficient input validation, allowing an attacker to write past allocated buffer boundaries. Exploitation requires user interaction (opening a malicious DWF file), resulting in arbitrary code execution with process privileges.

Summary generated and translated by AI from the official description.
This vulnerability allows remote attackers to execute arbitrary code on affected installations of OpenText Brava! Desktop 16.6.3.84. 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 write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12719.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
OpenText · Brava! Desktop
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