CVE-2021-31491: OpenText Brava! Desktop DWF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
First published: Tue Jun 15 2021(Updated: )
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.
Credit: zdi-disclosures@trendmicro.com zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Opentext Brava\! Desktop | =16.6.3.84 | |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-31491.
What is the severity of CVE-2021-31491?
The severity of CVE-2021-31491 is high with a severity value of 7.8.
What is affected by CVE-2021-31491?
OpenText Brava! Desktop 16.6.3.84 is affected by CVE-2021-31491.
How can CVE-2021-31491 be exploited?
CVE-2021-31491 can be exploited by remote attackers who 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.
Where can I find more information about CVE-2021-31491?
More information about CVE-2021-31491 can be found at the following references: [1](https://www.zerodayinitiative.com/advisories/ZDI-21-631/), [2](https://www.cvedetails.com/vulnerability-list/vendor_id-2032/product_id-96672/Opentext-Brava-Desktop.html?page=1&opec=1&order=1&trc=35&sha=37f4ed0596f8ccacca7d571f22a38c97b0f19f4c), [3](https://www.opentext.com/products/brava).
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