Prototype pollution in Parse Server

1) Prototype pollution

EUVDB-ID: #VU69483

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-2022-39396

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 the lack of control over modifications to attributes of object prototypes within the transformUpdate function. A remote attacker can execute arbitrary code on the target system.

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

Mitigation

Install update from vendor's website.

Vulnerable software versions

Parse Server: 4.10.0 - 5.3.0

External links

http://github.com/parse-community/parse-server/security/advisories/GHSA-prm5-8g2m-24gg
http://www.zerodayinitiative.com/advisories/ZDI-22-1590/

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.