CVE-2021-22918
First published: Thu Jul 01 2021(Updated: )
A flaw has been found in libuv. Node.js is vulnerable to out-of-bounds read in libuv's uv__idna_toascii() function which is used to convert strings to ASCII which is called by Node's DNS module's lookup() function and can lead to information disclosures or crashes. The highest threat from this vulnerability is to system availability.
Credit: support@hackerone.com support@hackerone.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/libuv | <1:1.41.1-1.el8_4 | 1:1.41.1-1.el8_4 |
| redhat/rh-nodejs12-nodejs | <0:12.22.2-1.el7 | 0:12.22.2-1.el7 |
| redhat/rh-nodejs12-nodejs-nodemon | <0:2.0.3-2.el7 | 0:2.0.3-2.el7 |
| redhat/rh-nodejs14-nodejs | <0:14.17.2-1.el7 | 0:14.17.2-1.el7 |
| redhat/rh-nodejs14-nodejs-nodemon | <0:2.0.3-2.el7 | 0:2.0.3-2.el7 |
| Nodejs Node.js | >=12.0.0<12.22.2 | |
| Nodejs Node.js | >=14.0.0<14.17.2 | |
| Nodejs Node.js | >=16.0.0<16.4.1 | |
| Siemens Sinec Infrastructure Network Services | <1.0.1.1 | |
| redhat/node | <16.4.1 | 16.4.1 |
| redhat/node | <14.17.2 | 14.17.2 |
| redhat/node | <12.22.2 | 12.22.2 |
| redhat/libuv | <1.41.1 | 1.41.1 |
| IBM Security Guardium Insights | <=3.0 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2021-22918 https://nvd.nist.gov/vuln/detail/CVE-2021-22918 https://nodejs.org/en/blog/vulnerability/july-2021-security-releases/
- https://bugzilla.redhat.com/show_bug.cgi?id=1979338
- https://access.redhat.com/errata/RHSA-2021:3073
- https://access.redhat.com/errata/RHSA-2021:3074
- https://access.redhat.com/errata/RHSA-2021:3075
- https://access.redhat.com/errata/RHSA-2021:3639
- https://access.redhat.com/errata/RHSA-2021:3638
- https://access.redhat.com/errata/RHSA-2021:2931
- https://access.redhat.com/errata/RHSA-2021:2932
- https://access.redhat.com/security/cve/cve-2021-22918
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
- https://hackerone.com/reports/1209681
- https://nodejs.org/en/blog/vulnerability/july-2021-security-releases/
- https://security.netapp.com/advisory/ntap-20210805-0003/
- https://security.gentoo.org/glsa/202401-23
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1979345
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1979339
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1979346
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1979340
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1979341
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1979342
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1979343
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1979344
- https://github.com/libuv/libuv/commit/b7466e31e4bee160d82a68fca11b1f61d46debae
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1979598
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1979591
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1979592
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1979593
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1979599
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1979595
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1979596
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1979597
- https://github.com/nodejs/node/commit/d33aead28bcec32a2a450f884907a6d971631829
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1979925
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1979924
- https://github.com/libuv/libuv/commit/6dd44caa
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1980076
- https://exchange.xforce.ibmcloud.com/vulnerabilities/204784
- https://www.ibm.com/support/pages/node/6550866 (Advisory)
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the severity of CVE-2021-22918?
The severity of CVE-2021-22918 is medium with a CVSS score of 6.5.
Which versions of Node.js are affected by CVE-2021-22918?
Node.js versions before 16.4.1, 14.17.2, and 12.22.2 are affected by CVE-2021-22918.
How can I fix CVE-2021-22918?
To fix CVE-2021-22918, update Node.js to version 16.4.1, 14.17.2, or 12.22.2.
What is the Common Weakness Enumeration (CWE) for CVE-2021-22918?
The Common Weakness Enumeration (CWE) for CVE-2021-22918 is CWE-125.
Where can I find more information about CVE-2021-22918?
You can find more information about CVE-2021-22918 at the following references: [link1], [link2], [link3], [link4], [link5].
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