CVE-2021-31482 : Vulnerability Insights and Analysis
CVE-2021-31482 allows remote attackers to execute arbitrary code in OpenText Brava! Desktop 16.6.3.84 through a flaw in DWF file parsing. Learn about the impact, technical details, and mitigation steps.
OpenText Brava! Desktop version 16.6.3.84 is affected by a vulnerability that allows remote attackers to execute arbitrary code by exploiting a flaw in parsing DWF files.
Understanding CVE-2021-31482
This CVE details a high-severity vulnerability in OpenText Brava! Desktop version 16.6.3.84 that requires user interaction for exploitation.
What is CVE-2021-31482?
CVE-2021-31482 allows remote attackers to execute arbitrary code on systems running OpenText Brava! Desktop 16.6.3.84. The vulnerability arises from improper validation of user-supplied data when parsing DWF files.
The Impact of CVE-2021-31482
The vulnerability has a CVSS base score of 7.8, indicating a high severity level with confidentiality, integrity, and availability impacts being high. Attackers can exploit the flaw by tricking users into visiting a malicious page or opening a harmful file.
Technical Details of CVE-2021-31482
The following technical details shed light on the vulnerability in OpenText Brava! Desktop version 16.6.3.84.
Vulnerability Description
The vulnerability lies in the parsing of DWF files due to the absence of proper data validation, leading to a buffer overflow. This can be leveraged by attackers to execute malicious code within the current process.
Affected Systems and Versions
Affected system: OpenText Brava! Desktop 16.6.3.84.
Exploitation Mechanism
User interaction is required for the exploitation of this vulnerability, where the victim must interact with a malicious page or file to trigger the arbitrary code execution.
Mitigation and Prevention
To prevent exploitation and secure systems from CVE-2021-31482, the following measures should be implemented.
Immediate Steps to Take
Users are advised to update their OpenText Brava! Desktop to a patched version. Furthermore, exercise caution when interacting with untrusted files or websites.
Long-Term Security Practices
Implement strict data validation practices to mitigate similar vulnerabilities in the future. Regular security audits and awareness training can also enhance overall security posture.
Patching and Updates
Stay informed about security updates and patches released by OpenText for Brava! Desktop. Timely application of patches is crucial to address known vulnerabilities.