CVE-2021-31507: OpenText Brava! Desktop CGM File Parsing Stack-based Buffer Overflow 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 CGM files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12653.
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 CGM files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based 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-2021-31507?
The severity of CVE-2021-31507 is high with a CVSS score of 7.8.
How can remote attackers exploit CVE-2021-31507?
Remote attackers can exploit CVE-2021-31507 by executing arbitrary code on affected installations of OpenText Brava! Desktop 16.6.3.84 through user interaction, such as visiting a malicious page or opening a malicious file.
What is the affected software for CVE-2021-31507?
The affected software for CVE-2021-31507 is OpenText Brava! Desktop 16.6.3.84.
How can I fix CVE-2021-31507?
To fix CVE-2021-31507, users should update to the latest version of OpenText Brava! Desktop and apply any patches or security updates provided by the vendor.
Where can I find more information about CVE-2021-31507?
More information about CVE-2021-31507 can be found on the Zero Day Initiative advisories page, CVEDetails.com, and the OpenText website.