CVE-2020-8201: XSS
First published: Tue Sep 15 2020(Updated: )
A flaw was found in Node.js, where affected Node.js versions converted carriage returns in HTTP request headers to a hyphen before parsing. This flaw leads to HTTP Request Smuggling as it is a non-standard interpretation of the header. The highest threat from this vulnerability is to confidentiality and integrity.
Credit: support@hackerone.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/rh-nodejs12-nodejs | <0:12.18.4-3.el7 | 0:12.18.4-3.el7 |
| redhat/nodejs | <14.11.0 | 14.11.0 |
| redhat/nodejs | <12.18.4 | 12.18.4 |
| redhat/llhttp | <2.1.2 | 2.1.2 |
| Node.js | >=12.0.0<12.18.4 | |
| Node.js | >=14.0.0<14.11.0 | |
| openSUSE | =15.2 | |
| Fedoraproject Fedora | =33 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2020-8201 https://nvd.nist.gov/vuln/detail/CVE-2020-8201
- https://bugzilla.redhat.com/show_bug.cgi?id=1879311
- https://access.redhat.com/errata/RHSA-2020:4272
- https://access.redhat.com/errata/RHSA-2020:4903
- https://access.redhat.com/errata/RHSA-2020:5086
- https://access.redhat.com/security/cve/cve-2020-8201
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00011.html
- https://hackerone.com/reports/922597
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/
- https://nodejs.org/en/blog/vulnerability/september-2020-security-releases/
- https://security.gentoo.org/glsa/202101-07
- https://security.netapp.com/advisory/ntap-20201009-0004/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1879340
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1879341
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1879343
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1879344
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1879345
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1879346
- https://github.com/nodejs/llhttp/commit/9d9da1d0f18599ceddd8f484df5a5ad694d23361
- https://exchange.xforce.ibmcloud.com/vulnerabilities/188591
- https://www.ibm.com/support/pages/node/6412707 (Advisory)
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is CVE-2020-8201?
CVE-2020-8201 is a vulnerability in Node.js that allows for HTTP request smuggling due to CR-to-Hyphen conversion.
How can Node.js be exploited using CVE-2020-8201?
Node.js < 12.18.4 and < 14.11 can be exploited to perform HTTP desync attacks and deliver malicious payloads.
What are the potential attacks that can be performed using CVE-2020-8201?
CVE-2020-8201 can be used to hijack user sessions, poison cookies, perform clickjacking, and more.
Which versions of Node.js are affected by CVE-2020-8201?
Node.js versions < 12.18.4 and < 14.11 are affected by CVE-2020-8201.
What is the severity of CVE-2020-8201?
CVE-2020-8201 has a severity rating of 7.4 (high).
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