CVE-2020-16116 Explained : Impact and Mitigation

KDE Ark before version 20.08.0 is vulnerable to a directory traversal attack that allows a crafted archive to install files outside the extraction directory.

Understanding CVE-2020-16116

This CVE identifies a security vulnerability in KDE Ark that could be exploited by an attacker to manipulate file extraction.

What is CVE-2020-16116?

In kerfuffle/jobs.cpp in KDE Ark before 20.08.0, a specially crafted archive can be used to place files outside the intended extraction directory through directory traversal.

The Impact of CVE-2020-16116

The vulnerability could lead to unauthorized access to sensitive files or the execution of malicious code by an attacker exploiting the directory traversal issue.

Technical Details of CVE-2020-16116

KDE Ark's vulnerability allows for unauthorized file installation outside the designated directory.

Vulnerability Description

The flaw in kerfuffle/jobs.cpp in KDE Ark before 20.08.0 permits a crafted archive to place files in unintended locations via directory traversal.

Affected Systems and Versions

Product: KDE Ark
Vendor: KDE
Versions affected: All versions before 20.08.0

Exploitation Mechanism

The vulnerability is exploited by creating a specially crafted archive that includes directory traversal sequences to place files in unauthorized locations during extraction.

Mitigation and Prevention

Taking immediate action and implementing long-term security practices are crucial to mitigate the risks associated with CVE-2020-16116.

Immediate Steps to Take

Update KDE Ark to version 20.08.0 or later to patch the vulnerability.
Avoid opening archives from untrusted or unknown sources.
Monitor for any unusual file extraction behavior.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Conduct security assessments and penetration testing to identify and address vulnerabilities.
Educate users on safe archive handling practices to prevent exploitation.

Patching and Updates

Ensure that all systems running KDE Ark are updated to version 20.08.0 or above to eliminate the directory traversal vulnerability.