CVE-2021-31511highCWE-787

CVE-2021-31511: 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 1.8%
In short

OpenText Brava! Desktop has a flaw in how it reads PDF files that allows attackers to run malicious code if you open a specially crafted PDF. The program doesn't properly check the data in the PDF before using it, which can cause it to write beyond its memory limits.

Technical detail

A buffer overflow vulnerability (CWE-787) exists in OpenText Brava! Desktop 16.6.4.55's PDF parsing engine due to insufficient validation of user-supplied data. Remote attackers can exploit this through a malicious PDF file, requiring user interaction, to achieve arbitrary code execution within the application's 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 Build 16.6.4.55. 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 PDF 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-13676.
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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