Arch Linux Security Advisory ASA-202107-13
==========================================

Severity: High
Date    : 2021-07-06
CVE-ID  : CVE-2021-22918 CVE-2021-23362 CVE-2021-27290
Package : nodejs
Type    : multiple issues
Remote  : Yes
Link    : https://security.archlinux.org/AVG-2126

Summary
=======

The package nodejs before version 16.4.1-1 is vulnerable to multiple
issues including denial of service and information disclosure.

Resolution
==========

Upgrade to 16.4.1-1.

# pacman -Syu "nodejs>=16.4.1-1"

The problems have been fixed upstream in version 16.4.1.

Workaround
==========

None.

Description
===========

- CVE-2021-22918 (information disclosure)

Node.js before versions 16.4.1, 14.17.2 and 12.22.2 is vulnerable to an
out-of-bounds read in the libuv's uv__idna_toascii() function which is
used to convert strings to ASCII. This is called by Node's dns module's
lookup() function and can lead to information disclosures or crashes.

- CVE-2021-23362 (denial of service)

A security issue has been found in Node.js before versions 16.4.1,
14.17.2 and 12.22.2. There is a vulnerability in the hosted-git-info
npm module which may be vulnerable to denial of service attacks.

- CVE-2021-27290 (denial of service)

A security issue has been found in Node.js before versions 16.4.1,
14.17.2 and 12.22.2. There is a vulnerability in the ssri npm module
which may be vulnerable to denial of service attacks.

Impact
======

A remote attacker could disclose information by supplying crafted
domain names, or cause denial of service through high resource usage
with crafted Git repository URLs or Subresource Integrity (SRI) hashes.

References
==========

https://nodejs.org/en/blog/vulnerability/july-2021-security-releases/#libuv-upgrade-out-of-bounds-read-medium-cve-2021-22918
https://hackerone.com/reports/1209681
https://github.com/nodejs/node/commit/d33aead28bcec32a2a450f884907a6d971631829
https://github.com/nodejs/node/commit/a7496aba0a95b6425e9651c297697b5dd67ac358
https://github.com/nodejs/node/commit/623fd1fcb557985bf452984856c1d0ce4fc096a7
https://nodejs.org/en/blog/vulnerability/july-2021-security-releases/#npm-upgrade-hosted-git-info-regular-expression-denial-of-service-redos-medium-cve-2021-23362
https://snyk.io/vuln/SNYK-JS-HOSTEDGITINFO-1088355
https://github.com/npm/hosted-git-info/pull/76
https://github.com/npm/hosted-git-info/commit/bede0dc38e1785e732bf0a48ba6f81a4a908eba3
https://nodejs.org/en/blog/vulnerability/july-2021-security-releases/#npm-upgrade-ssri-regular-expression-denial-of-service-redos-high-cve-2021-27290
https://github.com/advisories/GHSA-vx3p-948g-6vhq
https://doyensec.com/resources/Doyensec_Advisory_ssri_redos.pdf
https://github.com/npm/ssri/pull/17
https://github.com/npm/ssri/commit/76e223317d971f19e4db8191865bdad5edee40d2
https://security.archlinux.org/CVE-2021-22918
https://security.archlinux.org/CVE-2021-23362
https://security.archlinux.org/CVE-2021-27290