CVE-2021-31490highCWE-787

CVE-2021-31490: 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 where it doesn't properly check data in DWF files, allowing attackers to write data beyond a buffer's limits. If a user opens a malicious file, the attacker can run harmful code on their computer.

Technical detail

A buffer overflow vulnerability in DWF file parsing within OpenText Brava! Desktop 16.6.3.84 results from insufficient input validation on user-supplied data. Remote code execution is achievable when a user opens a specially crafted DWF file, with the malicious code executing in the application's process context.

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-12718.
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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