CVE-2023-39726

An issue in Mintty v.3.6.4 and before allows a remote attacker to execute arbitrary code via crafted commands to the terminal

published October 26, 2023

CVSS
—
EPSS
1%
Percentile
68.7
In the wild
Unconfirmed
What it is

⚠️ A crafty command is all it takes! An attacker can run arbitrary code in Mintty versions 3.6.4 and earlier by sending cleverly crafted commands to your terminal! 🔥 Think of Mintty like a friendly restaurant where you can order from a menu. Now, imagine a sneaky diner who just orders whatever they want, bypassing the real menu and the chef's approval — that’s what this vulnerability allows! If left unaddressed, a remote attacker could hijack your terminal, executing any command they desire. This means they could potentially read sensitive data, alter files, or configure settings without your knowledge — a recipe for absolute chaos!

Put simply

Think of Mintty like a friendly restaurant where you can order from a menu. Now, imagine a sneaky diner who just orders whatever they want, bypassing the real menu and the chef's approval — that’s what this vulnerability allows! This vulnerability occurs in Mintty due to improper input validation, allowing remote attackers to send specially crafted commands that the terminal executes, leading to arbitrary code execution.

What to do

If left unaddressed, a remote attacker could hijack your terminal, executing any command they desire. This means they could potentially read sensitive data, alter files, or configure settings without your knowledge — a recipe for absolute chaos! To protect yourself, update Mintty to version 3.6.5 or later as soon as possible. Additionally, review your terminal configurations to ensure no sensitive data is exposed. Regularly monitor for suspicious activity as a precaution! You've got this! Follow these steps and keep your terminal safe and sound! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01229 · 68.7th percentile
Published
2023-10-26T00:00Z
EPSS history
Timeline
  • 26 OCT 00:00Z
    An issue in Mintty v.3.6.4 and before allows a remote attacker to execute arbitrary code via crafted commands to the terminal
    cvelistv5