CVE-2021-23413: Denial of Service (DoS)
First published: Sun Jul 25 2021(Updated: )
This affects the package jszip before 3.7.0. Crafting a new zip file with filenames set to Object prototype values (e.g __proto__, toString, etc) results in a returned object with a modified prototype instance.
Credit: report@snyk.io report@snyk.io
| Affected Software | Affected Version | How to fix |
|---|---|---|
| npm/jszip | <2.7.0 | 2.7.0 |
| npm/jszip | >=3.0.0<3.7.0 | 3.7.0 |
| Jszip Project Jszip | <3.7.0 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2021-23413
- https://github.com/Stuk/jszip/pull/766
- https://github.com/Stuk/jszip/commit/22357494f424178cb416cdb7d93b26dd4f824b36
- https://github.com/Stuk/jszip/blob/master/lib/object.js%23L88
- https://snyk.io/vuln/SNYK-JS-JSZIP-1251497
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1251499
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1251498
- https://github.com/advisories/GHSA-jg8v-48h5-wgxg (Advisory)
Frequently Asked Questions
What is CVE-2021-23413?
CVE-2021-23413 is a vulnerability that affects the package jszip before version 3.7.0.
How does CVE-2021-23413 affect jszip?
CVE-2021-23413 allows an attacker to craft a new zip file with filenames set to Object prototype values, resulting in a returned object with a modified prototype instance.
What is the severity of CVE-2021-23413?
CVE-2021-23413 has a severity rating of 5.3, which is classified as medium.
How can I fix the vulnerability CVE-2021-23413?
To fix CVE-2021-23413, upgrade to version 3.7.0 or later of jszip.
Where can I find more information about CVE-2021-23413?
You can find more information about CVE-2021-23413 at the following references: - [NVD](https://nvd.nist.gov/vuln/detail/CVE-2021-23413) - [GitHub Pull Request](https://github.com/Stuk/jszip/pull/766) - [GitHub Commit](https://github.com/Stuk/jszip/commit/22357494f424178cb416cdb7d93b26dd4f824b36)
- collector/github-advisory-latest
- alias/GHSA-jg8v-48h5-wgxg
- alias/CVE-2021-23413
- collector/github-advisory
- collector/nvd-index
- collector/nvd-cve
- agent/references
- agent/author
- agent/type
- agent/remedy
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/title
- agent/last-modified-date
- agent/weakness
- agent/tags
- agent/description
- agent/first-publish-date
- agent/severity
- agent/event
- package-manager/npm
- vendor/jszip project
- canonical/jszip project jszip