CVE-2021-4279: Starcounter-Jack JSON-Patch prototype pollution
First published: Sun Dec 25 2022(Updated: )
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 can 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.
Credit: cna@vuldb.com cna@vuldb.com cna@vuldb.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| npm/fast-json-patch | <3.1.1 | 3.1.1 |
| Python JSON Patch | <3.1.1 | |
| IBM Data Virtualization on Cloud Pak for Data | <=3.0 | |
| IBM Watson Query with Cloud Pak for Data | <=2.2 | |
| IBM Watson Query with Cloud Pak for Data | <=2.1 | |
| IBM Watson Query with Cloud Pak for Data | <=2.0 | |
| IBM Data Virtualization on Cloud Pak for Data | <=1.8 | |
| IBM Data Virtualization on Cloud Pak for Data | <=1.7 |
Remedy
https://github.com/Starcounter-Jack/JSON-Patch/commit/7ad6af41eabb2d799f698740a91284d762c955c9
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2021-4279
- https://github.com/Starcounter-Jack/JSON-Patch/pull/262
- https://github.com/Starcounter-Jack/JSON-Patch/commit/7ad6af41eabb2d799f698740a91284d762c955c9
- https://github.com/Starcounter-Jack/JSON-Patch/releases/tag/3.1.1
- https://blog.effectrenan.com/pwn2win-2021-illusion-web-challenge
- https://vuldb.com/?ctiid.216778
- https://vuldb.com/?id.216778
- https://www.huntr.dev/bounties/1-npm-fast-json-patch
- https://github.com/advisories/GHSA-8gh8-hqwg-xf34 (Advisory)
- https://www.ibm.com/support/pages/node/7183851 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2021-4279?
CVE-2021-4279 is classified as a problematic vulnerability due to its potential for object prototype pollution.
How do I fix CVE-2021-4279?
To fix CVE-2021-4279, update the affected package to version 3.1.1 or later.
What software is affected by CVE-2021-4279?
CVE-2021-4279 affects versions of fast-json-patch up to 3.1.0 and various IBM products on Cloud Pak for Data.
What is prototype pollution in the context of CVE-2021-4279?
Prototype pollution refers to the manipulation of an object's prototype, potentially leading to unexpected behavior in JavaScript applications.
Who is the vendor associated with CVE-2021-4279?
The vendor associated with CVE-2021-4279 is Starcounter-Jack, known for the JSON-Patch library.
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