CVE-2022-4742 json-pointer index.js set prototype pollution
Prototype pollution in json-pointer allows remote attackers to modify object prototypes, potentially leading to code execution or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-4742?
CVE-2022-4742 is a medium-severity vulnerability in json-pointer, published on 26 Dec 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability, which was classified as critical, has been found in json-pointer up to 0.6.1. Affected by this issue is the function set of the file index.js. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). The attack may be launched remotely. Upgrading to version 0.6.2 is able to address this issue. The patch is identified as 859c9984b6c407fc2d5a0a7e47c7274daa681941. It is recommended to upgrade the affected component. VDB-216794 is the identifier assigned to this vulnerability.
Weakness: CWE-1321
Which versions are affected by CVE-2022-4742?
2 open source packages ship an affected version, including json-pointer. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
json-pointer npm | All versions | 0.6.2 |
json-pointer npm | All versions | 0.6.2 |
Products include Json-Pointer Project Json-Pointer.
How do I fix CVE-2022-4742?
Upgrade json-pointer to 0.6.2 or later.
Is CVE-2022-4742 being exploited?
There is no known exploitation of CVE-2022-4742 in the wild and no public exploit code.
Sources
Also known as GHSA-6xrf-q977-5vgc.