CVE-2021-28547 : Vulnerability Insights and Analysis
Learn about CVE-2021-28547, a privilege escalation flaw in Adobe Creative Cloud for macOS. Understand the impact, technical details, and mitigation steps.
Adobe Creative Cloud Desktop Application for macOS version 5.3 (and earlier) is affected by a privilege escalation vulnerability that could allow a normal user to delete the OOBE directory and get permissions of any directory under the administrator authority.
Understanding CVE-2021-28547
This CVE highlights a privilege escalation vulnerability in Adobe Creative Cloud Desktop Application for macOS.
What is CVE-2021-28547?
CVE-2021-28547 refers to a privilege escalation vulnerability in Adobe Creative Cloud Desktop Application for macOS version 5.3 and earlier. The vulnerability could enable a regular user to delete the OOBE directory and gain permissions for directories under the administrator's authority.
The Impact of CVE-2021-28547
The impact of this vulnerability is rated as high, with a CVSS base score of 7.8. It poses a significant threat to the confidentiality, integrity, and availability of the affected systems.
Technical Details of CVE-2021-28547
This section delves into the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability allows a low-privileged user to delete the OOBE directory and acquire permissions beyond their authorization.
Affected Systems and Versions
Adobe Creative Cloud Desktop Application for macOS version 5.3 and earlier are vulnerable to this exploit.
Exploitation Mechanism
The attack complexity is low, and the vector is local. A successful exploit could have a high impact on confidentiality, integrity, and availability.
Mitigation and Prevention
Protecting systems from CVE-2021-28547 requires immediate action and long-term security practices.
Immediate Steps to Take
Users should apply security patches provided by Adobe promptly. Additionally, restricting user permissions can help mitigate the risk of exploitation.
Long-Term Security Practices
Implementing the principle of least privilege, conducting regular security audits, and staying updated on security advisories can enhance overall security posture.
Patching and Updates
Regularly check for security updates for Adobe Creative Cloud Desktop Application and apply them without delay to address known vulnerabilities.