En resumen
- CVE-2019-19507 es una vulnerabilidad MEDIO (CVSS 5.3) que afecta a json pattern validator (json pattern validator project), jpv.
- Probabilidad de explotación en los próximos 30 días (EPSS): 0.97%, mayor que el 62.3% de las vulnerabilidades.
- Solución: actualizar a 2.1.1 o posterior.
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.
NVD 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.
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