CVE-2019-19507

Public Exploit

Description

In jpv (aka Json Pattern Validator) before 2.1.1, compareCommon() can be bypassed because certain internal attributes can be overwritten via a conflicting name, as demonstrated by 'constructor': {'name':'Array'}. This affects validate(). Hence, a crafted payload can overwrite this builtin attribute to manipulate the type detection result.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.25%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/manvel-khnkoyan/jpv/issues/6 issue tracking exploit third party advisory
https://www.npmjs.com/package/jpv product

Frequently Asked Questions

What is the severity of CVE-2019-19507?
CVE-2019-19507 has been scored as a medium severity vulnerability.
How to fix CVE-2019-19507?
To fix CVE-2019-19507, 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-2019-19507 being actively exploited in the wild?
It is possible that CVE-2019-19507 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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