CVE-2023-39139 : Exploit Details and Defense Strategies

An issue in Archive v3.3.7 allows attackers to execute a path traversal via extracting a crafted zip file.

Understanding CVE-2023-39139

This CVE identifies a vulnerability in Archive v3.3.7 that enables attackers to perform path traversal by extracting a maliciously created zip file.

What is CVE-2023-39139?

The vulnerability in Archive v3.3.7 permits threat actors to execute a path traversal attack when manipulating specially crafted zip files.

The Impact of CVE-2023-39139

The exploitation of this vulnerability can lead to unauthorized access to sensitive files or directories on the affected system, potentially compromising the confidentiality and integrity of data.

Technical Details of CVE-2023-39139

The technical details of CVE-2023-39139 are as follows:

Vulnerability Description

The vulnerability allows attackers to traverse file paths beyond the intended directory when extracting a malicious zip file, potentially accessing confidential information.

Affected Systems and Versions

Vendor and product information are not available. The specific affected versions of Archive v3.3.7 are not disclosed.

Exploitation Mechanism

Exploiting this vulnerability involves creating a zip file with a specifically crafted structure to bypass file path restrictions and gain unauthorized access.

Mitigation and Prevention

To address CVE-2023-39139, consider the following mitigation and prevention strategies:

Immediate Steps to Take

Disable the extraction of zip files from untrusted or unknown sources.
Implement file path validation mechanisms to prevent directory traversal attacks.

Long-Term Security Practices

Regularly update Archive software to the latest version to patch known vulnerabilities.
Educate users on safe file handling practices to minimize the risk of exploitation.

Patching and Updates

Keep abreast of security advisories from Archive and promptly apply recommended patches and updates to protect against known vulnerabilities.