Prototype pollution in Parse Server

1) Prototype pollution

EUVDB-ID: #VU69482

Risk: Low

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-41878

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

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

The vulnerability exists due to the lack of control over modifications to attributes of object prototypes within the buildUpdatedObject function. A remote administrator can execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Parse Server: 4.10.0 - 5.3.1

External links

http://github.com/parse-community/parse-server/security/advisories/GHSA-xprv-wvh7-qqqx
http://www.zerodayinitiative.com/advisories/ZDI-22-1591/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.