CVE-2019-20149

Public Exploit

Description

ctorName in index.js in kind-of v6.0.2 allows external user input to overwrite certain internal attributes via a conflicting name, as demonstrated by 'constructor': {'name':'Symbol'}. Hence, a crafted payload can overwrite this builtin attribute to manipulate the type detection result.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.24%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/jonschlinkert/kind-of/issues/30 third party advisory issue tracking exploit
https://github.com/jonschlinkert/kind-of/pull/31 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2019-20149?
CVE-2019-20149 has been scored as a high severity vulnerability.
How to fix CVE-2019-20149?
To fix CVE-2019-20149, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-20149 being actively exploited in the wild?
It is possible that CVE-2019-20149 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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