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Published 20 hours ago • verified publisher icon petakopi

🚨 [security] [js] Update trix 2.0.10 → 2.1.1 (minor)

Open depfu[bot] opened this issue 3 months ago • 0 comments

🚨 Your current dependencies have known security vulnerabilities 🚨

This dependency update fixes known security vulnerabilities. Please see the details below and assess their impact carefully. We recommend to merge and deploy this as soon as possible!

Here is everything you need to know about this update. Please take a good look at what changed and the test results before merging this pull request.

What changed?

✳️ trix (2.0.10 → 2.1.1) · Repo

Security Advisories 🚨

🚨 Trix Editor Arbitrary Code Execution Vulnerability

The Trix editor, versions prior to 2.1.1, is vulnerable to arbitrary code execution when copying and pasting content from the web or other documents with markup into the editor. The vulnerability stems from improper sanitization of pasted content, allowing an attacker to embed malicious scripts which are executed within the context of the application.

Vulnerable Versions: Up to 2.1.0

Fixed Version: 2.1.1

Vector:

  • Bug 1: When copying content manipulated by a script, such as:
document.addEventListener('copy', function(e){
  e.clipboardData.setData('text/html', '<div><noscript><div class="123</noscript>456<img src=1 onerror=alert(1)//"></div></noscript></div>');
  e.preventDefault();
});

and pasting into the Trix editor, the script within the content is executed.

  • Bug 2: Similar execution occurs with content structured as:
document.write(`copy<div data-trix-attachment="{&quot;contentType&quot;:&quot;text/html&quot;,&quot;content&quot;:&quot;&lt;img src=1 onerror=alert(101)&gt;HELLO123&quot;}"></div>me`);

Impact:

An attacker could exploit these vulnerabilities to execute arbitrary JavaScript code within the context of the user's session, potentially leading to unauthorized actions being performed or sensitive information being disclosed.

Remediation:

Update Recommendation: Users should upgrade to Trix editor version 2.1.1 or later, which incorporates proper sanitization of input from copied content.

CSP Enhancement: Additionally, enhancing the Content Security Policy (CSP) to disallow inline scripts can significantly mitigate the risk of such vulnerabilities. Set CSP policies such as script-src 'self' to ensure that only scripts hosted on the same origin are executed, and explicitly prohibit inline scripts using script-src-elem.

References:

Credit: These issues were reported by security researchers loknop and pinpie.

Release Notes

2.1.1

What's Changed

New Contributors

Full Changelog: v2.1.0...v2.1.1

2.1.0

What's Changed

Full Changelog: v2.0.10...v2.1.0

Does any of this look wrong? Please let us know.

Commits

See the full diff on Github. The new version differs by 16 commits:

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depfu[bot] avatar May 07 '24 18:05 depfu[bot]