CVE-2021-32804: Arbitrary File Creation/Overwrite due to insufficient absolute path sanitization
First published: Tue Aug 03 2021(Updated: )
Node.js tar module could allow a local attacker to traverse directories on the system, caused by insufficient absolute path sanitization. An attacker could use a specially-crafted tar file containing "dot dot" sequences (/../) to create or overwrite arbitrary files on the system.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/rh-nodejs14-nodejs | <0:14.17.5-1.el7 | 0:14.17.5-1.el7 |
| redhat/rh-nodejs12-nodejs | <0:12.22.5-1.el7 | 0:12.22.5-1.el7 |
| redhat/rh-nodejs12-nodejs-nodemon | <0:2.0.3-5.el7 | 0:2.0.3-5.el7 |
| Tar Project Tar | <3.2.2 | |
| Tar Project Tar | >=4.0.0<4.4.14 | |
| Tar Project Tar | >=5.0.0<5.0.6 | |
| Tar Project Tar | >=6.0.0<6.1.1 | |
| Oracle GraalVM | =20.3.3 | |
| Oracle GraalVM | =21.2.0 | |
| Siemens Sinec Infrastructure Network Services | <1.0.1.1 | |
| redhat/nodejs-tar | <3.2.2 | 3.2.2 |
| redhat/nodejs-tar | <4.4.14 | 4.4.14 |
| redhat/nodejs-tar | <5.0.6 | 5.0.6 |
| redhat/nodejs-tar | <6.1.1 | 6.1.1 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2021-32804 https://nvd.nist.gov/vuln/detail/CVE-2021-32804 https://github.com/npm/node-tar/security/advisories/GHSA-3jfq-g458-7qm9
- https://bugzilla.redhat.com/show_bug.cgi?id=1990409
- https://access.redhat.com/errata/RHSA-2021:3623
- https://access.redhat.com/errata/RHSA-2021:3666
- https://access.redhat.com/errata/RHSA-2021:3639
- https://access.redhat.com/errata/RHSA-2021:3638
- https://access.redhat.com/errata/RHSA-2021:5086
- https://access.redhat.com/errata/RHSA-2021:3280
- https://access.redhat.com/errata/RHSA-2021:3281
- https://access.redhat.com/security/cve/cve-2021-32804
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
- https://github.com/npm/node-tar/commit/1f036ca23f64a547bdd6c79c1a44bc62e8115da4
- https://github.com/npm/node-tar/security/advisories/GHSA-3jfq-g458-7qm9
- https://www.npmjs.com/advisories/1770
- https://www.npmjs.com/package/tar
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://access.redhat.com/security/cve/CVE-2021-32803
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1990410
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1993959
- https://access.redhat.com/errata/RHSA-2021:4618
- https://exchange.xforce.ibmcloud.com/vulnerabilities/206719
- https://www.ibm.com/support/pages/node/6507095 (Advisory)
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is CVE-2021-32804?
CVE-2021-32804 is a vulnerability in the npm package "tar" that allows a local attacker to traverse directories on the system.
What is the severity of CVE-2021-32804?
The severity of CVE-2021-32804 is high, with a CVSS score of 8.1 (out of 10).
How does CVE-2021-32804 affect Node.js?
CVE-2021-32804 affects Node.js through the vulnerable version of the "tar" npm package.
How can I fix CVE-2021-32804?
To fix CVE-2021-32804, you should update the "tar" npm package to version 6.1.1, 5.0.6, 4.4.14, or 3.3.2, depending on your Node.js version.
Where can I find more information about CVE-2021-32804?
You can find more information about CVE-2021-32804 at the following references: [Red Hat Advisory](https://access.redhat.com/security/cve/CVE-2021-32803), [npm Advisory](https://www.npmjs.com/advisories/1770), [GitHub Commit](https://github.com/npm/node-tar/commit/1f036ca23f64a547bdd6c79c1a44bc62e8115da4).
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