Prototype pollution in IBM App Connect Enterprise Certified Container

1) Prototype pollution

EUVDB-ID: #VU88224

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-2024-27307

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

Exploit availability: No

Description

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

The vulnerability exists due to malicious expression can use the transform operator to override properties on the `Object` constructor and prototype.. A remote attacker can pass specially crafted input to the application and perform prototype pollution, which can result in denial of service, remote code execution or other unexpected behavior in applications that evaluate user-provided JSONata expressions.

Mitigation

Install update from vendor's website.

Vulnerable software versions

App Connect Enterprise Certified Container: before 11.4.0

External links

http://www.ibm.com/support/pages/node/7145686

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.