Parse Server up to 5.5.2/6.2.1 BSON Parser prototype pollution

Summaryinfo

A vulnerability classified as critical has been found in Parse Server up to 5.5.2/6.2.1. This impacts an unknown function of the component BSON Parser. The manipulation leads to prototype pollution. This vulnerability is uniquely identified as CVE-2023-36475. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Parse Server up to 5.5.2/6.2.1 and classified as critical. This issue affects some unknown processing of the component BSON Parser. The manipulation with an unknown input leads to a prototype pollution vulnerability. Using CWE to declare the problem leads to CWE-1321. The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 5.5.2 and 6.2.1, an attacker can use a prototype pollution sink to trigger a remote code execution through the MongoDB BSON parser. A patch is available in versions 5.5.2 and 6.2.1.

The weakness was disclosed 06/29/2023 as 8674. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-36475 since 06/21/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

Upgrading to version 5.5.2 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 3dd99dd80e27e5e1d99b42844180546d90c7aa90 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Name

• Parse Server

Version

• 5.5.0
• 5.5.1
• 5.5.2
• 6.2.0
• 6.2.1

License

• open-source

CPE 2.3info

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CPE 2.2info

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