CVE-2021-31478: OpenText Brava! Desktop pdf2dl Heap-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 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-12633.
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-2021-31478?
CVE-2021-31478 has a high severity rating due to the potential for remote code execution by attackers.
How do I fix CVE-2021-31478?
To fix CVE-2021-31478, users should update OpenText Brava! Desktop to the latest version to mitigate the vulnerability.
What types of exploits are possible with CVE-2021-31478?
Exploiting CVE-2021-31478 allows attackers to execute arbitrary code on affected installations through user interaction.
Is user interaction required for CVE-2021-31478 exploitation?
Yes, exploitation of CVE-2021-31478 requires user interaction, such as visiting a malicious website or opening an infected file.
Which version of OpenText Brava! Desktop is affected by CVE-2021-31478?
CVE-2021-31478 specifically affects OpenText Brava! Desktop version 16.6.3.84.