Prototype pollution in jQuery



Published: 2019-03-28 | Updated: 2024-03-06
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-11358
CWE-ID CWE-1321
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe 		jQuery
Web applications / JS libraries

Vendor The jQuery Team

Security Bulletin

This security bulletin contains information about 1 vulnerabilities.

UPDATED: 11.04.2019
Changed patch status to patched.
UPDATED: 22.04.2019
Assigned CVE-ID to the advisory.

1) Prototype pollution

EUVDB-ID: #VU18092

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-11358

CWE-ID: CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes (\'Prototype Pollution\')

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary JavaScript code.

The vulnerability exists due to improper input validation. A remote attacker can pass specially crafted input to the application and perform prototype pollution, which can result in information disclosure or data manipulation.

Mitigation

Update to version 3.4.0.

Vulnerable software versions

jQuery: 1.0.0 - 3.3.1

External links

http://github.com/jquery/jquery/pull/4333
http://github.com/jquery/jquery/commit/753d591aea698e57d6db58c9f722cd0808619b1b
http://snyk.io/vuln/SNYK-JS-JQUERY-174006


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. However, proof of concept for this vulnerability is available.



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