CVE-2021-31487 : Vulnerability Insights and Analysis
Discover the details of CVE-2021-31487 affecting OpenText Brava! Desktop 16.6.3.84. Learn about the impact, technical aspects, and mitigation strategies for this high-severity vulnerability.
This CVE-2021-31487 article provides an in-depth analysis of a vulnerability affecting OpenText Brava! Desktop 16.6.3.84, allowing remote attackers to execute arbitrary code.
Understanding CVE-2021-31487
In this section, we will delve into the specifics of CVE-2021-31487.
What is CVE-2021-31487?
CVE-2021-31487 is a vulnerability that enables remote attackers to execute arbitrary code on affected installations of OpenText Brava! Desktop 16.6.3.84. The flaw arises from inadequate validation of user-supplied data within DWF file parsing. Attackers can exploit this by triggering a buffer overflow, leading to code execution in the current process.
The Impact of CVE-2021-31487
The CVSS score for CVE-2021-31487 is 7.8, indicating a high severity issue with significant impacts on confidentiality, integrity, and availability. The attack complexity is low, requiring local access, but user interaction is necessary.
Technical Details of CVE-2021-31487
Let's explore the technical aspects of CVE-2021-31487.
Vulnerability Description
The vulnerability stems from an out-of-bounds write issue (CWE-787) in OpenText Brava! Desktop 16.6.3.84, allowing attackers to overwrite allocated buffers and execute arbitrary code.
Affected Systems and Versions
OpenText Brava! Desktop version 16.6.3.84 is specifically impacted by this vulnerability.
Exploitation Mechanism
To exploit CVE-2021-31487, attackers need to entice a user into visiting a malicious page or opening a corrupted file, triggering the malicious code execution.
Mitigation and Prevention
In this section, we will discuss strategies to mitigate and prevent exploitation of CVE-2021-31487.
Immediate Steps to Take
Users are advised to avoid accessing untrusted websites or opening suspicious files to prevent exploitation of this vulnerability.
Long-Term Security Practices
Implementing secure coding practices, conducting regular security audits, and keeping software up to date are crucial for long-term security.
Patching and Updates
Ensure that OpenText Brava! Desktop is updated to a secure version to patch the CVE-2021-31487 vulnerability and protect systems.