CVE-2020-7644 Uncontrolled Resource Consumption in fun-map
Attackers can pollute Object.prototype via the assocInM function, potentially leading to code execution or privilege escalation in applications using this library.
- 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-2020-7644?
CVE-2020-7644 is a high-severity vulnerability in fun-map, published on 28 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
fun-map through 3.3.1 is vulnerable to Prototype Pollution. The function assocInM could be tricked into adding or modifying properties of 'Object.prototype' using a '__proto__' payload.
Weakness: CWE-1321
Which versions are affected by CVE-2020-7644?
2 open source packages ship an affected version, including fun-map. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
fun-map npm | All versions to 3.3.1 | None |
fun-map npm | All versions to 3.3.1 | None |
Products include Fun-Map Project Fun-Map.
How do I fix CVE-2020-7644?
No fix has been published for CVE-2020-7644 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-7644 being exploited?
There is no known exploitation of CVE-2020-7644 in the wild and no public exploit code.
Sources
Also known as GHSA-p33m-7w7f-gmj8, SNYK-JS-FUNMAP-564436.