CVE-2020-8147 Prototype Pollution
Prototype pollution in utils-extend allows attackers to achieve remote code execution or denial of service in applications using the library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-8147?
CVE-2020-8147 is a critical code injection vulnerability in utils-extend, published on 3 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Flaw in input validation in npm package utils-extend version 1.0.8 and earlier may allow prototype pollution attack that may result in remote code execution or denial of service of applications using utils-extend.
Which versions are affected by CVE-2020-8147?
2 open source packages ship an affected version, including utils-extend. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
utils-extend npm | From 0.0.0 | None |
utils-extend npm | From 0.0.0 | None |
Products include Utils-Extend Project Utils-Extend.
How do I fix CVE-2020-8147?
Upgrade to a fixed version.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2020-8147 being exploited?
There is no known exploitation of CVE-2020-8147 in the wild and no public exploit code.
Sources
Also known as GHSA-6pq3-928q-x6w6.