CVE-2021-23413

Public Exploit

Denial of Service (DoS)

Description

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.

5.3

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.22%

Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory snyk.io Third-Party Advisory snyk.io Third-Party Advisory snyk.io

Affected: n/a jszip

References

Link	Tags
https://snyk.io/vuln/SNYK-JS-JSZIP-1251497	exploit third party advisory patch
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1251498	exploit third party advisory patch
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1251499	exploit third party advisory patch
https://github.com/Stuk/jszip/blob/master/lib/object.js%23L88	broken link
https://github.com/Stuk/jszip/commit/22357494f424178cb416cdb7d93b26dd4f824b36	third party advisory patch
https://github.com/Stuk/jszip/pull/766	third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-23413?: CVE-2021-23413 has been scored as a medium severity vulnerability.
How to fix CVE-2021-23413?: To fix CVE-2021-23413, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-23413 being actively exploited in the wild?: It is possible that CVE-2021-23413 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-23413?: CVE-2021-23413 affects n/a jszip.

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