CVE-2022-21189 Prototype Pollution
Attackers can pollute Object.prototype via untrusted input in Dexie, potentially leading to code execution or security bypasses.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-21189?
CVE-2022-21189 is a high-severity vulnerability in dexie, published on 1 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The package dexie before 3.2.2, from 4.0.0-alpha.1 and before 4.0.0-alpha.3 are vulnerable to Prototype Pollution in the Dexie.setByKeyPath(obj, keyPath, value) function which does not properly check the keys being set (like __proto__ or constructor). This can allow an attacker to add/modify properties of the Object.prototype leading to prototype pollution vulnerability. **Note:** This vulnerability can occur in multiple ways, for example when modifying a collection with untrusted user input.
Weakness: CWE-1321
Which versions are affected by CVE-2022-21189?
4 open source packages ship an affected version, including dexie. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
dexie npm | All versions | 3.2.2 |
dexie npm | All versions | 3.2.2 |
dexie npm | From 4.0.0-alpha.1 | 4.0.0-alpha.3 |
dexie npm | From 4.0.0-alpha.1 | 4.0.0-alpha.3 |
Products include Dexie Dexie.
How do I fix CVE-2022-21189?
Upgrade dexie to a fixed version for your release line: 3.2.2 or 4.0.0-alpha.3.
Is CVE-2022-21189 being exploited?
There is no known exploitation of CVE-2022-21189 in the wild and no public exploit code.
Sources
Also known as GHSA-3xgx-r9j4-qw9w.