CVE-2018-11790 : What You Need to Know

Apache OpenOffice 4.1.5 and earlier versions are affected by an information disclosure vulnerability due to an Arithmetic Overflow error during string length calculation.

Understanding CVE-2018-11790

If a document with smaller end line termination than the operating system is opened in Apache OpenOffice 4.1.5 or earlier, an Arithmetic Overflow error occurs during string length calculation.

What is CVE-2018-11790?

Opening specific documents triggers an Arithmetic Overflow error in Apache OpenOffice 4.1.5 and earlier versions.

The Impact of CVE-2018-11790

Attackers can exploit this vulnerability to potentially disclose sensitive information contained in the affected documents.

Technical Details of CVE-2018-11790

Apache OpenOffice's vulnerability stems from a flaw in handling document string length calculations.

Vulnerability Description

When loading documents with incorrect end line termination, an Arithmetic Overflow occurs during string length calculation.

Affected Systems and Versions

Apache OpenOffice versions 4.1.5 and earlier are susceptible to this vulnerability.

Exploitation Mechanism

By crafting a malicious document with specific end line terminations, an attacker can trigger the Arithmetic Overflow error.

Mitigation and Prevention

To address CVE-2018-11790, users should take immediate and long-term security measures.

Immediate Steps to Take

Update Apache OpenOffice to the latest version to mitigate the vulnerability.
Avoid opening documents from untrusted or unknown sources.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Educate users on safe document handling practices to prevent potential exploits.

Patching and Updates

Stay informed about security advisories and apply patches released by Apache Software Foundation.