CVE-2019-9535 : What You Need to Know

A vulnerability in iTerm2 up to version 3.3.5 with tmux integration could allow remote command execution.

Understanding CVE-2019-9535

This CVE involves a flaw in how iTerm2 handles tmux's control mode, potentially enabling unauthorized parties to run commands by feeding malicious output into the terminal.

What is CVE-2019-9535?

The vulnerability in iTerm2 versions up to 3.3.5 allows attackers to execute arbitrary commands on a targeted computer using command-line tools.

The Impact of CVE-2019-9535

Exploiting this vulnerability could grant attackers the ability to execute commands of their choosing on affected systems.

Technical Details of CVE-2019-9535

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The flaw in iTerm2's tmux integration allows attackers to run commands by manipulating terminal output.

Affected Systems and Versions

Product: iTerm2
Vendor: iTerm2
Vulnerable Versions: Up to and including 3.3.5

Exploitation Mechanism

Attackers can exploit this vulnerability by providing malicious output to the terminal, enabling the execution of arbitrary commands.

Mitigation and Prevention

Protective measures to address CVE-2019-9535.

Immediate Steps to Take

Update iTerm2 to version 3.3.6, which includes mitigations against the exploitation of this vulnerability.

Long-Term Security Practices

Regularly update software to patch known vulnerabilities.
Implement strong access controls and monitoring to detect unauthorized activities.

Patching and Updates

Stay informed about security updates and apply patches promptly to prevent exploitation of vulnerabilities.