#VU69483 Prototype pollution in Parse Server - CVE-2022-39396

Vulnerability identifier: #VU69483

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-39396

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Parse Server
Web applications / Modules and components for CMS

Vendor: Parse Community

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 - 4.10.17, 5.0.0 - 5.3.0

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

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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.