CVE-2021-31514 : Exploit Details and Defense Strategies

This CVE refers to a vulnerability in OpenText Brava! Desktop Build 16.6.4.55, allowing remote attackers to execute arbitrary code. Learn about its impact, technical details, and mitigation steps.

Understanding CVE-2021-31514

This section explores the details of CVE-2021-31514.

What is CVE-2021-31514?

CVE-2021-31514 is a vulnerability in OpenText Brava! Desktop Build 16.6.4.55, enabling remote attackers to run arbitrary code by exploiting a flaw in parsing CGM files.

The Impact of CVE-2021-31514

The vulnerability has a CVSS base score of 7.8 (High severity) with Low attack complexity and Local attack vector. It requires user interaction, and successful exploitation can lead to high impacts on confidentiality, integrity, and availability.

Technical Details of CVE-2021-31514

Let's dive into the technical aspects of this CVE.

Vulnerability Description

The flaw results from inadequate validation of user input, allowing attackers to trigger a buffer overflow by supplying malicious data. This can lead to arbitrary code execution in the system.

Affected Systems and Versions

OpenText Brava! Desktop Build 16.6.4.55 is specifically impacted by this vulnerability.

Exploitation Mechanism

To exploit CVE-2021-31514, attackers would need the target to access a malicious page or open a malicious file, thereby triggering the vulnerability.

Mitigation and Prevention

Discover the measures to mitigate the risks posed by CVE-2021-31514.

Immediate Steps to Take

Users are advised to update OpenText Brava! Desktop to a patched version, avoid opening files from untrusted sources, and exercise caution while browsing.

Long-Term Security Practices

Implementing strong input validation mechanisms, regularly updating software, and educating users on safe browsing habits can enhance overall system security.

Patching and Updates

OpenText has likely released patches addressing this vulnerability. Users should promptly apply these updates to safeguard their systems.