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CVE-2021-4279

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Date: December 25, 2022

A vulnerability has been found in Starcounter-Jack JSON-Patch up to 3.1.0 and classified as problematic. This vulnerability affects unknown code. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 3.1.1 is able to address this issue. The name of the patch is 7ad6af41eabb2d799f698740a91284d762c955c9. It is recommended to upgrade the affected component. VDB-216778 is the identifier assigned to this vulnerability.

Language: JS

Severity Score

Related Resources (10)

https://github.com/Starcounter-Jack/JSON-Patch/releases/tag/3.1.1
https://vuldb.com/?ctiid.216778
https://vuldb.com/?id.216778
https://github.com/Starcounter-Jack/JSON-Patch
https://nvd.nist.gov/vuln/detail/CVE-2021-4279
https://blog.effectrenan.com/pwn2win-2021-illusion-web-challenge
https://www.huntr.dev/bounties/1-npm-fast-json-patch
https://github.com/Starcounter-Jack/JSON-Patch/pull/262
https://github.com/Starcounter-Jack/JSON-Patch/commit/7ad6af41eabb2d799f698740a91284d762c955c9
https://www.mend.io/vulnerability-database/CVE-2021-4279

Severity Score

Weakness Type (CWE)

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

CWE-1321

Top Fix

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Upgrade Version

Upgrade to version 3.1.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

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