CVE-2021-31496: OpenText Brava! Desktop DXF 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 DXF 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-13308.
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 CVE-2021-31496?
CVE-2021-31496 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of OpenText Brava! Desktop 16.6.3.84.
How can this vulnerability be exploited?
This vulnerability can be exploited when the target visits a malicious page or opens a malicious file.
What is the severity of CVE-2021-31496?
The severity of CVE-2021-31496 is high with a CVSS score of 7.8.
How can I fix CVE-2021-31496?
To fix CVE-2021-31496, it is recommended to update to a patched version of OpenText Brava! Desktop.
Where can I find more information about CVE-2021-31496?
More information about CVE-2021-31496 can be found at the following references: [ZDI-21-636](https://www.zerodayinitiative.com/advisories/ZDI-21-636/), [CVE Details](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), [OpenText Brava! Desktop](https://www.opentext.com/products/brava).
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