CVE-2021-31513: OpenText Brava! Desktop BMP 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 BMP 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-13678.
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 BMP 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-2021-31513?
CVE-2021-31513 has a critical severity rating allowing remote code execution.
How do I fix CVE-2021-31513?
To fix CVE-2021-31513, update OpenText Brava! Desktop to version 16.6.4.92 or later.
What products are affected by CVE-2021-31513?
CVE-2021-31513 affects OpenText Brava! Desktop versions up to 16.6.4.91, including 16.6.4.55.
Does CVE-2021-31513 require user interaction to exploit?
Yes, CVE-2021-31513 requires user interaction, as the target must visit a malicious page or open a malicious file.
Can CVE-2021-31513 be exploited without any prior access?
No, exploiting CVE-2021-31513 requires the victim to engage with malicious content.