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.
Published: 2019-12-02
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2019-0801 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.
Github GHSA Github GHSA GHSA-rh46-3fgc-mvrf Validation bypass is possible in Json Pattern Validator
History

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Json Pattern Validator Project Json Pattern Validator
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T02:16:48.050Z

Reserved: 2019-12-02T00:00:00.000Z

Link: CVE-2019-19507

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-12-02T17:15:13.187

Modified: 2024-11-21T04:34:51.450

Link: CVE-2019-19507

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses