Prototype pollution in IBM App Connect Enterprise Certified Container

1) Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

EUVDB-ID: #VU75603

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-0842

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 code on the target system.

The vulnerability exists due to application does not properly validate incoming JSON keys, thus allowing the __proto__ property to be edited. A remote unauthenticated attacker can edit or add new properties to an object to execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

App Connect Enterprise Certified Container: before 8.1.0

External links

http://www.ibm.com/support/pages/node/6987051

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.