CVE-2021-4245 chbrown rfc6902 pointer.ts prototype pollution
Prototype pollution in rfc6902 allows 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
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-4245?
CVE-2021-4245 is a medium-severity vulnerability in chbrown rfc6902, published on 15 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability classified as problematic has been found in chbrown rfc6902. This affects an unknown part of the file pointer.ts. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). The exploit has been disclosed to the public and may be used. The name of the patch is c006ce9faa43d31edb34924f1df7b79c137096cf. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-215883.
Which versions are affected by CVE-2021-4245?
2 open source packages ship an affected version, including rfc6902. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
rfc6902 npm | All versions | 5.0.0 |
rfc6902 npm | All versions | 5.0.0 |
Products include Rfc6902 Project Rfc6902.
How do I fix CVE-2021-4245?
Upgrade rfc6902 to 5.0.0 or later.
Is CVE-2021-4245 being exploited?
There is no known exploitation of CVE-2021-4245 in the wild and no public exploit code.
Sources
Also known as GHSA-p495-jxh2-wrfg.