Vulnerability · Published Dec 25, 2022 · Assigned by VulDB
CVE-2021-4279Starcounter-Jack JSON-Patch prototype pollution
Medium 6.3
In plain English
A medium-severity prototype pollution in JSON-Patch from Starcounter-Jack. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 67% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | fast-json-patch | 3.1.1 | GHSA-8gh8-hqwg-xf34 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Starcounter-Jack | JSON-Patch | 3.03.1 |
Weakness: CWE-1321 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
References
- https://vuldb.com/?id.216778 vdb-entry
- https://vuldb.com/?ctiid.216778 signature, permissions-required
- https://github.com/Starcounter-Jack/JSON-Patch/pull/262 exploit, issue-tracking, patch
- https://github.com/Starcounter-Jack/JSON-Patch/commit/7ad6af41eabb2d799f698740a91284d762c955c9 patch
- https://github.com/Starcounter-Jack/JSON-Patch/releases/tag/3.1.1 patch