chore(deps): update dependency vite to v4.5.5 [security] #452
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This PR contains the following updates:
4.4.9
->4.5.5
GitHub Vulnerability Alerts
CVE-2023-49293
Summary
When Vite's HTML transformation is invoked manually via
server.transformIndexHtml
, the original request URL is passed in unmodified, and thehtml
being transformed contains inline module scripts (<script type="module">...</script>
), it is possible to inject arbitrary HTML into the transformed output by supplying a malicious URL query string toserver.transformIndexHtml
.Impact
Only apps using
appType: 'custom'
and using the default Vite HTML middleware are affected. The HTML entry must also contain an inline script. The attack requires a user to click on a malicious URL while running the dev server. Restricted files aren't exposed to the attacker.Patches
Fixed in vite@5.0.5, vite@4.5.1, vite@4.4.12
Details
Suppose
index.html
contains an inline module script:This script is transformed into a proxy script like
due to Vite's HTML plugin:
https://github.com/vitejs/vite/blob/7fd7c6cebfcad34ae7021ebee28f97b1f28ef3f3/packages/vite/src/node/plugins/html.ts#L429-L465
When
appType: 'spa' | 'mpa'
, Vite serves HTML itself, andhtmlFallbackMiddleware
rewritesreq.url
to the canonical path ofindex.html
,https://github.com/vitejs/vite/blob/73ef074b80fa7252e0c46a37a2c94ba8cba46504/packages/vite/src/node/server/middlewares/htmlFallback.ts#L44-L47
so the
url
passed toserver.transformIndexHtml
is/index.html
.However, if
appType: 'custom'
, HTML is served manually, and ifserver.transformIndexHtml
is called with the unmodified request URL (as the SSR docs suggest), then the path of the transformedhtml-proxy
script varies with the request URL. For example, a request with path/
producesIt is possible to abuse this behavior by crafting a request URL to contain a malicious payload like
so a request to http://localhost:5173/?%22%3E%3C/script%3E%3Cscript%3Ealert(%27boom%27)%3C/script%3E produces HTML output like
which demonstrates XSS.
PoC
vite dev
middleware withappType: 'custom'
?%22%3E%3C/script%3E%3Cscript%3Ealert(%27boom%27)%3C/script%3E
and navigatevite dev
(this shows that vanillavite dev
is not vulnerable, providedhtmlFallbackMiddleware
is used)Detailed Impact
This will probably predominantly affect development-mode SSR, where
vite.transformHtml
is called using the originalreq.url
, per the docs:https://github.com/vitejs/vite/blob/7fd7c6cebfcad34ae7021ebee28f97b1f28ef3f3/docs/guide/ssr.md?plain=1#L114-L126
However, since this vulnerability affects
server.transformIndexHtml
, the scope of impact may be higher to also include other ad-hoc calls toserver.transformIndexHtml
from outside of Vite's own codebase.My best guess at bisecting which versions are vulnerable involves the following test script
and using it I was able to narrow down to #13581. If this is correct, then vulnerable Vite versions are 4.4.0-beta.2 and higher (which includes 4.4.0).
CVE-2024-23331
Summary
Vite dev server option
server.fs.deny
can be bypassed on case-insensitive file systems using case-augmented versions of filenames. Notably this affects servers hosted on Windows.This bypass is similar to https://nvd.nist.gov/vuln/detail/CVE-2023-34092 -- with surface area reduced to hosts having case-insensitive filesystems.
Patches
Fixed in vite@5.0.12, vite@4.5.2, vite@3.2.8, vite@2.9.17
Details
Since
picomatch
defaults to case-sensitive glob matching, but the file server doesn't discriminate; a blacklist bypass is possible.See
picomatch
usage, wherenocase
is defaulted tofalse
: https://github.com/vitejs/vite/blob/v5.1.0-beta.1/packages/vite/src/node/server/index.ts#L632By requesting raw filesystem paths using augmented casing, the matcher derived from
config.server.fs.deny
fails to block access to sensitive files.PoC
Setup
npm create vite@latest
on a Standard Azure hosted Windows 10 instance.npm run dev -- --host 0.0.0.0
custom.secret
andproduction.pem
vite.config.js
withReproduction
curl -s http://20.12.242.81:5173/@​fs//
curl -s http://20.12.242.81:5173/@​fs/C:/Users/darbonzo/Desktop/vite-project/vite.config.js
curl -s http://20.12.242.81:5173/@​fs/C:/Users/darbonzo/Desktop/vite-project/custom.sEcReT
Proof
Impact
Who
What
server.fs.deny
are both discoverable, and accessibleCVE-2024-31207
Summary
Vite dev server option
server.fs.deny
did not deny requests for patterns with directories. An example of such a pattern is/foo/**/*
.Impact
Only apps setting a custom
server.fs.deny
that includes a pattern with directories, and explicitly exposing the Vite dev server to the network (using--host
orserver.host
config option) are affected.Patches
Fixed in vite@5.2.6, vite@5.1.7, vite@5.0.13, vite@4.5.3, vite@3.2.10, vite@2.9.18
Details
server.fs.deny
uses picomatch with the config of{ matchBase: true }
. matchBase only matches the basename of the file, not the path due to a bug (https://github.com/micromatch/picomatch/issues/89). The vite config docs read like you should be able to set fs.deny to glob with picomatch. Vite also does not set{ dot: true }
and that causes dotfiles not to be denied unless they are explicitly defined.Reproduction
Set fs.deny to
['**/.git/**']
and then curl for/.git/config
.matchBase: true
, you can get any file under.git/
(config, HEAD, etc).matchBase: false
, you cannot get any file under.git/
(config, HEAD, etc).CVE-2024-45811
Summary
The contents of arbitrary files can be returned to the browser.
Details
@fs
denies access to files outside of Vite serving allow list. Adding?import&raw
to the URL bypasses this limitation and returns the file content if it exists.PoC
CVE-2024-45812
Summary
We discovered a DOM Clobbering vulnerability in Vite when building scripts to
cjs
/iife
/umd
output format. The DOM Clobbering gadget in the module 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.Note that, we have identified similar security issues in Webpack: GHSA-4vvj-4cpr-p986
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/
Gadgets found in Vite
We have identified a DOM Clobbering vulnerability in Vite bundled scripts, particularly when the scripts dynamically import other scripts from the assets folder and the developer sets the build output format to
cjs
,iife
, orumd
. In such cases, Vite replaces relative paths starting with__VITE_ASSET__
using the URL retrieved fromdocument.currentScript
.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 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 Vite to bundle up the program with the following configuration.After running the build command, the developer will get following bundle as the output.
Adding the Vite bundled script,
dist/index-DDmIg9VD.js
, as part of the web page source code, the page could load theextra.js
file from the attacker's domain,attacker.controlled.server
. The attacker only needs to insert animg
tag with thename
attribute set tocurrentScript
. 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.Impact
This vulnerability can result in cross-site scripting (XSS) attacks on websites that include Vite-bundled files (configured with an output format of
cjs
,iife
, orumd
) and allow users to inject certain scriptless HTML tags without properly sanitizing the name or id attributes.Patch
Release Notes
vitejs/vite (vite)
v4.5.5
Compare Source
v4.5.3
Compare Source
v4.5.2
Compare Source
Please refer to CHANGELOG.md for details.
v4.5.1
Compare Source
Please refer to CHANGELOG.md for details.
v4.5.0
Compare Source
Please refer to CHANGELOG.md for details.
v4.4.12
Compare Source
Please refer to CHANGELOG.md for details.
v4.4.11
Compare Source
Please refer to CHANGELOG.md for details.
v4.4.10
Compare Source
Please refer to CHANGELOG.md for details.
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