Backdoor in ua-parser-js NPM repository



| Updated: 2023-03-23
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-4229
CWE-ID CWE-506
Exploitation vector Network
Public exploit N/A
Vulnerable software
 UAParser.js
Web applications / JS libraries

Vendor Faisal Salman

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Embedded malicious code (backdoor)

EUVDB-ID: #VU57636

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-4229

CWE-ID: CWE-506 - Embedded Malicious Code

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to the application.

The vulnerability exists due to presence of embedded malicious functionality in the application code (aka backdoor) that allows a remote attacker to gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

UAParser.js: 0.7.29 - 1.0.0

CPE2.3 External links

https://github.com/faisalman/ua-parser-js/issues/536
https://github.com/advisories/GHSA-pjwm-rvh2-c87w


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.



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