CVE-2020-11736 Explained : Impact and Mitigation

GNOME file-roller through 3.36.1 allows Directory Traversal during extraction due to a lack of proper checks.

Understanding CVE-2020-11736

This CVE involves a vulnerability in GNOME file-roller that allows Directory Traversal during the extraction process.

What is CVE-2020-11736?

CVE-2020-11736 is a security vulnerability in GNOME file-roller versions up to 3.36.1 that enables Directory Traversal during file extraction.

The Impact of CVE-2020-11736

The vulnerability can be exploited to traverse directories during extraction, potentially leading to unauthorized access or overwriting of critical files.

Technical Details of CVE-2020-11736

This section provides more technical insights into the CVE.

Vulnerability Description

The issue arises from a lack of validation, allowing an attacker to extract files to unintended locations.

Affected Systems and Versions

Product: GNOME file-roller
Vendor: GNOME
Versions affected: Up to 3.36.1

Exploitation Mechanism

The vulnerability occurs due to the absence of checks on whether a file's parent is a symlink to a directory outside the intended extraction path.

Mitigation and Prevention

Protecting systems from CVE-2020-11736 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update GNOME file-roller to a patched version.
Avoid extracting files from untrusted sources.

Long-Term Security Practices

Implement proper input validation in file extraction processes.
Regularly monitor and audit file extraction activities.

Patching and Updates

Ensure timely installation of security patches and updates for GNOME file-roller to mitigate the vulnerability.