CVE-2021-31489highCWE-787

CVE-2021-31489: 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 buffer overflow vulnerability in DWF file parsing that allows attackers to execute malicious code if a user opens a specially crafted file. This happens because the software doesn't properly check the size of data being written to memory.

Technical detail

A buffer overflow (CWE-787) exists in the DWF file parser of OpenText Brava! Desktop 16.6.3.84 due to insufficient input validation. Remote attackers can exploit this via a malicious DWF file to write data past allocated buffer boundaries, achieving arbitrary code execution in the application's process context with user interaction required.

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-12717.
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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