CVE-2021-43763 : Security Advisory and Response

Adobe Dimension versions 3.4.3 and earlier are affected by an out-of-bounds read vulnerability that could lead to sensitive memory disclosure. An attacker could exploit this issue by manipulating a victim into opening a malicious TIF file.

Understanding CVE-2021-43763

Adobe Dimension TIF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

What is CVE-2021-43763?

Adobe Dimension versions 3.4.3 and earlier are susceptible to an out-of-bounds read vulnerability. This flaw may result in the exposure of critical memory contents that could be exploited by an attacker.

The Impact of CVE-2021-43763

The vulnerability could permit threat actors to access sensitive information through maliciously crafted TIF files. Successful exploitation may circumvent security measures like ASLR, posing a risk to confidentiality.

Technical Details of CVE-2021-43763

Vulnerability Description

The vulnerability in Adobe Dimension allows for an out-of-bounds read, potentially revealing memory contents. Attackers could abuse this to recover sensitive data, bypassing security mechanisms.

Affected Systems and Versions

Product: Adobe Dimension
Vendor: Adobe
Versions Affected: 3.4.3 and earlier

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Local
User Interaction Required: Yes
Privileges Required: None
Exploitation Scope: Unchanged

Mitigation and Prevention

Immediate Steps to Take

Update Adobe Dimension to the latest version to patch the vulnerability.
Avoid opening TIF files from untrusted sources.

Long-Term Security Practices

Regularly update software to ensure protection against known vulnerabilities.
Educate users about safe file handling practices.

Patching and Updates

Regularly check for security updates and patches released by Adobe to address vulnerabilities.