CVE-2021-21077 : Vulnerability Insights and Analysis
Learn about CVE-2021-21077, a High Severity Heap-based Buffer Overflow vulnerability in Adobe Animate version 21.0.3 and earlier. Find out the impact, affected systems, exploitation, and mitigation steps.
Adobe Animate version 21.0.3 and earlier has been found to have a Heap-based Buffer Overflow vulnerability that could allow an unauthenticated attacker to execute arbitrary code within the user's context by tricking them into opening a malicious file.
Understanding CVE-2021-21077
This section delves into the details of the Adobe Animate heap-based overflow vulnerability.
What is CVE-2021-21077?
The vulnerability in Adobe Animate version 21.0.3 and earlier enables attackers to trigger a Heap-based Buffer Overflow, potentially leading to unauthorized code execution within the user's context.
The Impact of CVE-2021-21077
With a CVSS base score of 7.8 (High Severity), the vulnerability requires no special privileges to exploit and demands user interaction, posing a serious risk to confidentiality, integrity, and availability of affected systems.
Technical Details of CVE-2021-21077
This section covers the technical aspects of the CVE-2021-21077 vulnerability.
Vulnerability Description
Adobe Animate's Heap-based Buffer Overflow vulnerability allows attackers to execute arbitrary code by manipulating specific data in the program's memory space.
Affected Systems and Versions
Adobe Animate versions up to 21.0.3 are impacted by this vulnerability, putting users at risk if they interact with malicious files.
Exploitation Mechanism
To exploit CVE-2021-21077, an attacker creates a specially crafted file, tricking a user into opening it, thereby triggering the Heap-based Buffer Overflow.
Mitigation and Prevention
To safeguard your systems against CVE-2021-21077, follow these security measures.
Immediate Steps to Take
Users are advised to update Adobe Animate to a patched version beyond 21.0.3 and refrain from opening files from untrusted or unknown sources.
Long-Term Security Practices
Regularly update software, employ security solutions, and educate users on safe file handling practices to prevent future exploits.
Patching and Updates
Install security patches and updates provided by Adobe to address the Heap-based Buffer Overflow vulnerability in Adobe Animate.