Prototype pollution in IBM Cloud Transformation Advisor

1) Prototype pollution

EUVDB-ID: #VU19305

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 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

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 update from vendor's website.

Vulnerable software versions

IBM Cloud Transformation Advisor: before 1.9.6

External links

http://www.ibm.com/support/pages/node/872242

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.