CVE-2021-28129 : Exploit Details and Defense Strategies

Apache OpenOffice 4.1.8 DEB packaging was found to be installed with a non-root userid and groupid, potentially allowing crafted attacks and causing desktop integration issues.

Understanding CVE-2021-28129

This CVE concerns the improper installation of Apache OpenOffice 4.1.8 using a non-root userid and groupid.

What is CVE-2021-28129?

The vulnerability in Apache OpenOffice 4.1.8 allows a crafted attack on files owned by the non-root user or groupid (500) due to the DEB package installation method.

The Impact of CVE-2021-28129

This CVE's impact is rated as low, but it could lead to security breaches and compromise sensitive files on affected systems.

Technical Details of CVE-2021-28129

The technical details include vulnerability descriptions, affected systems, and the exploitation mechanism.

Vulnerability Description

While working on Apache OpenOffice 4.1.8, a developer discovered that the DEB package installation using a non-root userid and groupid could result in security issues.

Affected Systems and Versions

The vulnerability affects Linux DEB installs running Apache OpenOffice 4.1.8.

Exploitation Mechanism

By leveraging the non-root userid and groupid (500) used during installation, attackers could exploit this vulnerability to target specific files.

Mitigation and Prevention

Mitigation strategies involve immediate actions and long-term security practices to secure the affected systems.

Immediate Steps to Take

Users who have installed Apache OpenOffice 4.1.8 DEB packaging are advised to upgrade to the latest version to mitigate the vulnerability.

Long-Term Security Practices

Implementing proper access controls and regularly updating software can prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security patches and updates released by Apache OpenOffice to address this issue.