CVE-2019-9535 iTerm2, up to and including version 3.3.5, with tmux integration is vulnerable to remote command execution
Attackers can execute arbitrary commands on victim machines via malicious terminal output when iTerm2 uses tmux integration.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-9535?
CVE-2019-9535 is a critical command injection vulnerability in iTerm2, published on 9 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability exists in the way that iTerm2 integrates with tmux's control mode, which may allow an attacker to execute arbitrary commands by providing malicious output to the terminal. This affects versions of iTerm2 up to and including 3.3.5. This vulnerability may allow an attacker to execute arbitrary commands on their victim's computer by providing malicious output to the terminal. It could be exploited using command-line utilities that print attacker-controlled content.
Which versions are affected by CVE-2019-9535?
It affects 1 product.
Products include Iterm2 Iterm2.
How do I fix CVE-2019-9535?
No fix has been published for CVE-2019-9535 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2019-9535 being exploited?
There is no known exploitation of CVE-2019-9535 in the wild and no public exploit code.
Other vulnerabilities in iTerm2
Sources
Also known as GHSA-jwm6-6mgm-w3f5.