CVE-2021-31494: OpenText Brava! Desktop DXF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
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-13305.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on affected installations of OpenText Brava! Desktop. 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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-31494?
The severity of CVE-2021-31494 is high with a CVSS score of 7.8.
How can remote attackers exploit CVE-2021-31494?
Remote attackers can exploit CVE-2021-31494 by enticing the target to visit a malicious page or open a malicious file.
Which software is affected by CVE-2021-31494?
CVE-2021-31494 affects OpenText Brava! Desktop 16.6.3.84.
Is user interaction required to exploit CVE-2021-31494?
Yes, user interaction is required to exploit CVE-2021-31494.
How can I fix CVE-2021-31494?
To fix CVE-2021-31494, it is recommended to update to a version of OpenText Brava! Desktop that is not affected by the vulnerability. Check the vendor's website for the latest updates.