CVE-2019-9535
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.48%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.48% probability · 84th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-349, CWE-74
- Affected
- iterm2/iterm2
- Source
- cret@cert.org
References
- https://blog.mozilla.org/security/2019/10/09/iterm2-critical-issue-moss-audit/Exploit, Third Party Advisory
- https://groups.google.com/forum/#%21topic/iterm2-discuss/57k_AuLdQa4
- https://kb.cert.org/vuls/id/763073/Third Party Advisory, US Government Resource
- https://blog.mozilla.org/security/2019/10/09/iterm2-critical-issue-moss-audit/Exploit, Third Party Advisory
- https://groups.google.com/forum/#%21topic/iterm2-discuss/57k_AuLdQa4
- https://kb.cert.org/vuls/id/763073/Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.