CVE-2021-21095 : What You Need to Know

Adobe Bridge versions 10.1.1 and 11.0.1 are susceptible to an Out-of-bounds write vulnerability that could allow an attacker to execute arbitrary code. Learn about the impact, technical details, and mitigation strategies.

Understanding CVE-2021-21095

This CVE affects Adobe Bridge software and poses a high-risk vulnerability that could lead to arbitrary code execution.

What is CVE-2021-21095?

Adobe Bridge versions 10.1.1 and 11.0.1 are impacted by an Out-of-bounds write vulnerability during file parsing, enabling attackers to achieve arbitrary code execution.

The Impact of CVE-2021-21095

The vulnerability has a CVSS base score of 7.8, with a high severity level. An unauthenticated attacker could exploit this flaw by tricking a user into opening a malicious file, leading to arbitrary code execution in the context of the victim.

Technical Details of CVE-2021-21095

Adobe Bridge's vulnerability stems from a TTF Font Parsing Out-Of-Bounds Write issue, with certain versions at risk.

Vulnerability Description

The vulnerability allows for Out-of-bounds write, potentially leading to arbitrary code execution.

Affected Systems and Versions

Adobe Bridge versions 10.1.1 and 11.0.1 are affected by this vulnerability.

Exploitation Mechanism

Exploitation requires user interaction where the victim unwittingly opens a crafted file containing the exploit.

Mitigation and Prevention

To safeguard your systems from CVE-2021-21095, immediate actions and long-term security practices are crucial.

Immediate Steps to Take

Ensure users are cautious while opening files and apply security updates promptly.

Long-Term Security Practices

Implement security awareness training, deploy endpoint protection, and follow secure coding practices.

Patching and Updates

Regularly check for security advisories from Adobe and apply patches promptly to mitigate this vulnerability.