CVE-2021-21091 Explained : Impact and Mitigation

Adobe Bridge versions 10.1.1 and 11.0.1 are affected by an Out-of-bounds read vulnerability when parsing a crafted file, potentially leading to information disclosure by disclosing sensitive memory information.

Understanding CVE-2021-21091

This CVE refers to an Out-of-bounds read vulnerability in Adobe Bridge that could be exploited by an unauthenticated attacker to reveal sensitive memory information by tricking a user into opening a malicious file.

What is CVE-2021-21091?

Adobe Bridge versions 10.1.1 and 11.0.1 are impacted by an Out-of-bounds read flaw. When a user interacts with a specially crafted file, an attacker could exploit this vulnerability to expose confidential data without user consent.

The Impact of CVE-2021-21091

The vulnerability in Adobe Bridge could lead to information disclosure, allowing unauthorized access to sensitive memory details in the context of the affected user. Successful exploitation of this issue necessitates interaction from a victim opening a malicious file.

Technical Details of CVE-2021-21091

This section outlines the specific technical details of the CVE.

Vulnerability Description

The CVE involves an Out-of-bounds read vulnerability in Adobe Bridge versions 10.1.1 and 11.0.1 when processing particular files, which could be abused by an attacker to access confidential information.

Affected Systems and Versions

Adobe Bridge versions up to 11.0.1 are known to be impacted by this vulnerability.

Exploitation Mechanism

Exploiting this vulnerability requires an attacker to create and trick a user into opening a malicious file.

Mitigation and Prevention

Here are some steps to mitigate and prevent exploitation of CVE-2021-21091.

Immediate Steps to Take

Users should update Adobe Bridge to the latest version to mitigate this vulnerability. Avoid opening files from untrusted or unknown sources to prevent potential exploitation.

Long-Term Security Practices

Regularly update software and security patches to safeguard against known vulnerabilities. Educate users on safe file handling practices to minimize risks.

Patching and Updates

Adobe has released patches to address this vulnerability. Ensure that all systems running Adobe Bridge are updated to the patched versions.