CVE-2019-10747 Prototype Pollution in set-value
Prototype pollution in set-value allows attackers to modify Object.prototype, potentially leading to code execution or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-10747?
CVE-2019-10747 is a critical vulnerability in set-value, published on 23 Aug 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
set-value is vulnerable to Prototype Pollution in versions lower than 3.0.1. The function mixin-deep could be tricked into adding or modifying properties of Object.prototype using any of the constructor, prototype and _proto_ payloads.
Weakness: CWE-400
Which versions are affected by CVE-2019-10747?
4 open source packages ship an affected version, including set-value. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
set-value npm | All versions | 2.0.1 |
set-value npm | All versions | 2.0.1 |
set-value npm | From 3.0.0 | 3.0.1 |
set-value npm | From 3.0.0 | 3.0.1 |
Products include Set-Value Project Set-Value.
How do I fix CVE-2019-10747?
Upgrade set-value to a fixed version for your release line: 2.0.1 or 3.0.1.
Is CVE-2019-10747 being exploited?
There is no known exploitation of CVE-2019-10747 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2019-10747, GHSA-4g88-fppr-53pp, MGASA-2020-0230, SNYK-JS-SETVALUE-450213, UBUNTU-CVE-2019-10747.