CVE-2021-31508 : Security Advisory and Response
Learn about CVE-2021-31508, a high severity vulnerability in OpenText Brava! Desktop version 16.6.3.84 allowing remote code execution. Find out the impact, affected systems, and mitigation steps.
This CVE-2021-31508 article provides detailed information on a vulnerability found in OpenText Brava! Desktop version 16.6.3.84, allowing remote attackers to execute arbitrary code with high impact and user interaction.
Understanding CVE-2021-31508
This section delves into the vulnerability, its impact, technical details, and mitigation strategies.
What is CVE-2021-31508?
CVE-2021-31508 is a vulnerability in OpenText Brava! Desktop 16.6.3.84 that enables remote attackers to execute arbitrary code by exploiting the lack of proper validation of user-supplied data, specifically within the parsing of DXF files.
The Impact of CVE-2021-31508
The vulnerability has a CVSS V3.0 base score of 7.8, indicating a high severity issue with impacts on confidentiality, integrity, and availability. User interaction is required for successful exploitation.
Technical Details of CVE-2021-31508
This section covers the specifics of the vulnerability, including its description, affected systems, and exploitation mechanism.
Vulnerability Description
The flaw allows attackers to write past the end of an allocated buffer, granting them the ability to execute code in the context of the current process.
Affected Systems and Versions
OpenText Brava! Desktop version 16.6.3.84 is affected by this vulnerability.
Exploitation Mechanism
Attackers can trigger the vulnerability by having the target access a malicious page or open a corrupted file.
Mitigation and Prevention
Outlined here are immediate steps and long-term security practices to secure systems against CVE-2021-31508.
Immediate Steps to Take
Users should update to the latest version of the software, avoid opening files or visiting unknown websites, and deploy security solutions.
Long-Term Security Practices
Implement regular software updates, user awareness training, and secure browsing habits to prevent similar vulnerabilities.
Patching and Updates
OpenText should release patches addressing the vulnerability promptly to protect users from exploitation.