CVE-2020-11073 : Security Advisory and Response

In Autoswitch Python Virtualenv before version 0.16.0, a user who enters a directory with a malicious

.venv

file could run arbitrary code without any user interaction. This is fixed in version: 1.16.0.

Understanding CVE-2020-11073

Autoswitch Python Virtualenv vulnerability allowing remote code execution.

What is CVE-2020-11073?

CVE-2020-11073 is a vulnerability in Autoswitch Python Virtualenv that enables an attacker to execute arbitrary code by exploiting a malicious

.venv

file in a directory.

The Impact of CVE-2020-11073

CVSS Score: 7.9 (High Severity)
Attack Vector: Local
Confidentiality Impact: High
Integrity Impact: High
User Interaction: Required
Scope: Changed
Privileges Required: Low
Attack Complexity: Low
Availability Impact: None

Technical Details of CVE-2020-11073

Autoswitch Python Virtualenv vulnerability details.

Vulnerability Description

The vulnerability allows an attacker to execute arbitrary code by placing a malicious

.venv

file in a directory.

Affected Systems and Versions

Affected Product: zsh-autoswitch-virtualenv
Vendor: MichaelAquilina
Affected Version: < 0.16.0

Exploitation Mechanism

The attacker can exploit the vulnerability by tricking a user into accessing a directory containing a crafted

.venv

file.

Mitigation and Prevention

Protecting systems from CVE-2020-11073.

Immediate Steps to Take

Update to version 1.16.0 or later to mitigate the vulnerability.
Avoid accessing directories with unknown or suspicious

.venv

files.

Long-Term Security Practices

Regularly update software and dependencies to patch known vulnerabilities.
Educate users on safe browsing practices and file handling.

Patching and Updates

Ensure timely installation of security patches and updates to prevent exploitation of known vulnerabilities.