CVE-2019-13232 : Vulnerability Insights and Analysis

Info-ZIP UnZip 6.0 mishandles overlapping files in a ZIP container, leading to a denial of service due to excessive resource consumption, similar to a 'better zip bomb'.

Understanding CVE-2019-13232

The vulnerability in Info-ZIP UnZip 6.0 can be exploited to cause a denial of service by consuming excessive resources.

What is CVE-2019-13232?

The issue arises from the improper handling of overlapping files within a ZIP container in Info-ZIP UnZip 6.0.
This vulnerability can be exploited to execute a denial of service attack by consuming resources excessively, similar to a 'better zip bomb'.

The Impact of CVE-2019-13232

Denial of service due to resource exhaustion can disrupt system availability and performance.
Attackers can exploit this vulnerability to cause system crashes or unresponsiveness.

Technical Details of CVE-2019-13232

Info-ZIP UnZip 6.0 vulnerability details and affected systems.

Vulnerability Description

Info-ZIP UnZip 6.0 mishandles overlapping files in a ZIP container, leading to a denial of service through resource consumption.

Affected Systems and Versions

Product: Info-ZIP UnZip 6.0
Vendor: Info-ZIP
Version: 6.0

Exploitation Mechanism

Attackers can craft malicious ZIP files with overlapping content to trigger the denial of service condition.

Mitigation and Prevention

Protective measures to mitigate the CVE-2019-13232 vulnerability.

Immediate Steps to Take

Update Info-ZIP UnZip to a patched version that addresses the vulnerability.
Avoid opening ZIP files from untrusted or unknown sources.
Monitor system resources for unusual consumption patterns.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Implement network and system monitoring to detect abnormal behavior.

Patching and Updates

Check for security advisories from Info-ZIP and apply recommended patches to fix the vulnerability.