CVE-2021-41830 : What You Need to Know

A vulnerability in Apache OpenOffice allows attackers to manipulate signed documents, posing as trusted sources.

Understanding CVE-2021-41830

This CVE, titled 'Double Certificate Attack,' impacts Apache OpenOffice versions up to 4.1.10.

What is CVE-2021-41830?

Attackers can exploit signed documents and macros to fake trusted origins.

The Impact of CVE-2021-41830

High severity vulnerability (CVSS score not provided)

Technical Details of CVE-2021-41830

The following are technical specifics of the CVE.

Vulnerability Description

Improper verification of cryptographic signatures (CWE-347)

Affected Systems and Versions

Apache OpenOffice up to version 4.1.10
OpenOffice.org up to version 3.4

Exploitation Mechanism

Attackers can manipulate signed documents and macros for malicious purposes.

Mitigation and Prevention

Steps to address and prevent exploitation of the vulnerability.

Immediate Steps to Take

Update Apache OpenOffice to version 4.1.11

Long-Term Security Practices

Exercise caution when handling signed documents and macros
Implement digital signature validation practices

Patching and Updates

Apply the recommended patch or update to version 4.1.11