#VU55579 Resource exhaustion in JSZip - CVE-2021-23413

Vulnerability identifier: #VU55579

Vulnerability risk: Medium

CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2021-23413

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
JSZip
Web applications / JS libraries

Vendor: Stuart Knightley

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

JSZip: 1.0.0 - 3.6.0

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External links
https://github.com/Stuk/jszip/pull/766
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1251498
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1251499
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://github.com/advisories/GHSA-jg8v-48h5-wgxg
https://www.npmjs.com/advisories/1774

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?