CVE-2021-31511: OpenText Brava! Desktop PDF 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 Build 16.6.4.55. 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 PDF 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-13676.
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 PDF 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-2021-31511?
CVE-2021-31511 has a critical severity rating due to its potential for remote code execution.
How do I fix CVE-2021-31511?
To fix CVE-2021-31511, update OpenText Brava! Desktop to version 16.6.4.92 or later.
What versions of OpenText Brava! Desktop are affected by CVE-2021-31511?
CVE-2021-31511 affects OpenText Brava! Desktop versions 16.6.4.55 up to but not including 16.6.4.92.
Is user interaction required to exploit CVE-2021-31511?
Yes, user interaction is required as the target must visit a malicious page or open a malicious file.
What type of vulnerability is CVE-2021-31511?
CVE-2021-31511 is categorized as a remote code execution vulnerability.