CVE-2018-16486 Prototype Pollution in defaults-deep
Attackers can inject properties into Object.prototype via prototype pollution, potentially leading to code execution or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-16486?
CVE-2018-16486 is a critical code injection vulnerability in HackerOne defaults-deep, published on 1 Feb 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A prototype pollution vulnerability was found in defaults-deep <=0.2.4 that would allow a malicious user to inject properties onto Object.prototype.
Which versions are affected by CVE-2018-16486?
2 open source packages ship an affected version, including defaults-deep. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
defaults-deep npm | All versions to 0.2.4 | None |
defaults-deep npm | All versions to 0.2.4 | None |
Products include Defaults-Deep Project Defaults-Deep.
How do I fix CVE-2018-16486?
No fix has been published for CVE-2018-16486 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2018-16486 being exploited?
There is no known exploitation of CVE-2018-16486 in the wild and no public exploit code.
Other vulnerabilities in HackerOne defaults-deep
Sources
Also known as GHSA-pjxw-22xf-6pwc.