CVE-2021-28633 : Security Advisory and Response

Adobe Creative Cloud Desktop Application (installer) version 2.4 (and earlier) is affected by an Insecure temporary file creation vulnerability that could lead to arbitrary file overwriting in the context of the current user. This vulnerability requires physical interaction to the system for exploitation.

Understanding CVE-2021-28633

This CVE involves an arbitrary file write vulnerability in Adobe Creative Cloud Desktop Application affecting versions up to 2.4.

What is CVE-2021-28633?

Adobe Creative Cloud Desktop Application version 2.4 and earlier is impacted by an insecure temporary file creation vulnerability that allows an attacker to overwrite arbitrary files with the user's permissions.

The Impact of CVE-2021-28633

This vulnerability has a CVSS base score of 6.1, with high confidentiality and integrity impact. Attackers with high privileges can exploit this issue by physically interacting with the system.

Technical Details of CVE-2021-28633

This section covers a detailed analysis of the vulnerability.

Vulnerability Description

The vulnerability in Adobe Creative Cloud Desktop Application (installer) version 2.4 and earlier allows attackers to perform arbitrary file overwriting by exploiting temporary file creation.

Affected Systems and Versions

The vulnerability affects Adobe Creative Cloud (desktop component) version 2.4 and earlier.

Exploitation Mechanism

Exploitation of this CVE requires physical interaction with the system, as attackers can leverage the insecure temporary file creation vulnerability to overwrite files.

Mitigation and Prevention

Explore the recommended steps to mitigate and prevent potential exploitation.

Immediate Steps to Take

Users should update Adobe Creative Cloud to the latest version to address this vulnerability. Avoid interacting with untrusted files or links.

Long-Term Security Practices

Maintain regular software updates and security patches to protect against known vulnerabilities. Educate users about safe file handling practices.

Patching and Updates

Adobe has released patches to address this vulnerability in the Creative Cloud Desktop Application. Ensure that all systems are updated to the latest version.