CVE-2019-19507 - CVE House
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Status published Medium CVE-2019-19507

In jpv (aka Json Pattern Validator) before 2.1.1, compareCommon() can...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from json pattern validator project

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CVE-2020-17479
jpv (aka Json Pattern Validator) before 2.2.2 does not properly...
Critical 9.8

Affected Vendor

json pattern validator project

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Affected Software

json pattern validator
Vulnerable Versions:
0

Timeline

Official Publish: December 2nd, 2019
Last Modified: August 5th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.