CVE-2021-40767 : Vulnerability Insights and Analysis
Learn about CVE-2021-40767, a Memory Corruption vulnerability in Adobe Character Animator version 4.4 and earlier, leading to application denial-of-service. Find details on impact, affected systems, exploitation mechanism, and mitigation steps.
Adobe Character Animator version 4.4 (and earlier) is affected by a Memory Corruption vulnerability that could lead to an application denial-of-service due to the access of memory location after the end of the buffer.
Understanding CVE-2021-40767
Adobe Character Animator is susceptible to a specific type of vulnerability that could result in denial-of-service in the application when dealing with malformed files.
What is CVE-2021-40767?
The vulnerability in Adobe Character Animator version 4.4 and earlier allows an attacker to exploit memory corruption, leading to an application denial-of-service.
The Impact of CVE-2021-40767
The impact of this vulnerability is rated as medium severity with a base score of 5.5 under CVSS v3.0. The potential consequences include unauthorized application termination in the context of the current user.
Technical Details of CVE-2021-40767
Adobe Character Animator CVE-2021-40767 vulnerability is detailed as follows:
Vulnerability Description
- Type: Memory Corruption
- Attack Vector: Local
- Attack Complexity: Low
- User Interaction Required: Yes
- Availability Impact: High
Affected Systems and Versions
- Product: Adobe Character Animator (Preview 4)
- Vendor: Adobe
- Versions Affected: 4.4 and earlier
Exploitation Mechanism
The exploitation of this vulnerability necessitates user interaction, where a victim unknowingly opens a malicious file leading to memory corruption and application denial-of-service.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks associated with CVE-2021-40767.
Immediate Steps to Take
- Update Adobe Character Animator to the latest version.
- Avoid opening files from untrusted sources.
- Implement security best practices when handling files.
Long-Term Security Practices
- Regularly update software and applications.
- Educate users about safe file handling practices.
Patching and Updates
Ensure that all systems running Adobe Character Animator are regularly updated with the latest security patches to address vulnerabilities like CVE-2021-40767.