#VU19305 Prototype pollution in Lodash


Published: 2019-07-22

Vulnerability identifier: #VU19305

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-16487

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Lodash
Web applications / JS libraries

Vendor: Lodash

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation within the merge, mergeWith, and defaultsDeep functions. A remote attacker can send a specially crafted request and add or modify properties of Object.prototype.

Successful exploitation of this vulnerability may result in complete compromise of the affected application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Lodash: 4.17.0 - 4.17.10


External links
http://hackerone.com/reports/380873


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.


Latest bulletins with this vulnerability