fix(deps): update dependency express to v4.20.0 [security]#54
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This PR contains the following updates:
4.18.1→4.20.0Express.js Open Redirect in malformed URLs
CVE-2024-29041 / GHSA-rv95-896h-c2vc
More information
Details
Impact
Versions of Express.js prior to 4.19.2 and pre-release alpha and beta versions before 5.0.0-beta.3 are affected by an open redirect vulnerability using malformed URLs.
When a user of Express performs a redirect using a user-provided URL Express performs an encode using
encodeurlon the contents before passing it to thelocationheader. This can cause malformed URLs to be evaluated in unexpected ways by common redirect allow list implementations in Express applications, leading to an Open Redirect via bypass of a properly implemented allow list.The main method impacted is
res.location()but this is also called from withinres.redirect().Patches
expressjs/express@0867302
expressjs/express@0b74695
An initial fix went out with
express@4.19.0, we then patched a feature regression in4.19.1and added improved handling for the bypass in4.19.2.Workarounds
The fix for this involves pre-parsing the url string with either
require('node:url').parseornew URL. These are steps you can take on your own before passing the user input string tores.locationorres.redirect.Resources
https://github.com/expressjs/express/pull/5539
https://github.com/koajs/koa/issues/1800
https://expressjs.com/en/4x/api.html#res.location
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
express vulnerable to XSS via response.redirect()
CVE-2024-43796 / GHSA-qw6h-vgh9-j6wx
More information
Details
Impact
In express <4.20.0, passing untrusted user input - even after sanitizing it - to
response.redirect()may execute untrusted codePatches
this issue is patched in express 4.20.0
Workarounds
users are encouraged to upgrade to the patched version of express, but otherwise can workaround this issue by making sure any untrusted inputs are safe, ideally by validating them against an explicit allowlist
Details
successful exploitation of this vector requires the following:
Severity
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:LReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
Release Notes
expressjs/express (express)
v4.20.0Compare Source
==========
depthoption to customize the depth level in the parserdepthlevel for parsing URL-encoded data is now32(previously wasInfinity)res.redirect\,|, and^to align better with URL specoptions.maxAgeandoptions.expirestores.clearCookiev4.19.2Compare Source
==========
v4.19.1Compare Source
==========
v4.19.0Compare Source
==========
v4.18.3Compare Source
==========
partitionedoptionv4.18.2Compare Source
===================
Configuration
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🔕 Ignore: Close this PR and you won't be reminded about this update again.
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