Advisory Details

August 22nd, 2023

Parse Server transformUpdate Prototype Pollution Remote Code Execution Vulnerability

ZDI-23-1160
ZDI-CAN-19904

CVE ID CVE-2023-36475
CVSS SCORE 7.2, AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Parse
AFFECTED PRODUCTS Server
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Parse Server. Authentication is required to exploit this vulnerability.

The specific flaw exists within the transformUpdate function. The issue results from the lack of control over modifications to attributes of object prototypes. An attacker can leverage this vulnerability to execute code in the context of the service account.

ADDITIONAL DETAILS Parse has issued an update to correct this vulnerability. More details can be found at:
https://github.com/parse-community/parse-server/security/advisories/GHSA-462x-c3jw-7vr6
DISCLOSURE TIMELINE
  • 2023-02-17 - Vulnerability reported to vendor
  • 2023-08-22 - Coordinated public release of advisory
CREDIT hir0ot
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