#VU73970 Path traversal in JSZip - CVE-2022-48285

Vulnerability identifier: #VU73970

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-48285

CWE-ID: CWE-22

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 directory traversal attacks.

The vulnerability exists due to insufficient sanitization of user-supplied in the loadAsync() method. A remote attacker can pass a specially crafted ZIP archive to the application and overwrite arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

JSZip: 3.0.0 - 3.7.1

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External links
https://github.com/Stuk/jszip/compare/v3.7.1...v3.8.0
https://www.mend.io/vulnerability-database/WS-2023-0004
https://exchange.xforce.ibmcloud.com/vulnerabilities/244499
https://github.com/Stuk/jszip/commit/2edab366119c9ee948357c02f1206c28566cdf15

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.