CVE-2020-1892 - Vulnerability Details

Vendors	Products
Facebook	Hhvm

Link	Providers
https://github.com/facebook/hhvm/commit/dabd48caf74995e605f1700344f1ff4a5d83441d
https://hhvm.com/blog/2020/02/20/security-update.html

Show plain JSON

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value : Comprobaciones de límites insuficientes cuando se decodifica JSON en JSON_parser permiten un acceso de lectura en una memoria fuera de límites, conllevando a un filtrado de información y a una DOS. Este problema afecta a HHVM versiones 4.45.0, 4.44.0, 4.43.0, 4.42.0, 4.41.0, 4.40.0, 4.39.0, versiones entre 4.33.0 y 4.38.0 (inclusive), versiones entre 4.9.0 y 4.32.0 (inclusive), y versiones anteriores a 4.8.7. (string)

}

]

id : CVE-2020-1892 (string)

lastModified : 2024-11-21T05:11:33.540 (string)

metrics : { »

cvssMetricV2 : [ »

0 : { »

acInsufInfo : false (boolean)

baseSeverity : MEDIUM (string)

cvssData : { »

accessComplexity : LOW (string)

accessVector : NETWORK (string)

authentication : NONE (string)

availabilityImpact : PARTIAL (string)

baseScore : 6.4 (number)

confidentialityImpact : PARTIAL (string)

integrityImpact : NONE (string)

vectorString : AV:N/AC:L/Au:N/C:P/I:N/A:P (string)

version : 2.0 (string)

}

exploitabilityScore : 10 (number)

impactScore : 4.9 (number)

obtainAllPrivilege : false (boolean)

obtainOtherPrivilege : false (boolean)

obtainUserPrivilege : false (boolean)

source : nvd@nist.gov (string)

type : Primary (string)

userInteractionRequired : false (boolean)

}

]

cvssMetricV31 : [ »

0 : { »

cvssData : { »

attackComplexity : LOW (string)

attackVector : NETWORK (string)

availabilityImpact : HIGH (string)

baseScore : 8.1 (number)

baseSeverity : HIGH (string)

confidentialityImpact : HIGH (string)

integrityImpact : NONE (string)

privilegesRequired : NONE (string)

scope : UNCHANGED (string)

userInteraction : REQUIRED (string)

vectorString : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H (string)

version : 3.1 (string)

}

exploitabilityScore : 2.8 (number)

impactScore : 5.2 (number)

source : nvd@nist.gov (string)

type : Primary (string)

}

]

}

published : 2020-03-03T15:15:11.993 (string)

references : [ »

0 : { »

source : cve-assign@fb.com (string)

tags : [ »

0 : Patch (string)

]

url : https://github.com/facebook/hhvm/commit/dabd48caf74995e605f1700344f1ff4a5d83441d (string)

}

1 : { »

source : cve-assign@fb.com (string)

tags : [ »

0 : Vendor Advisory (string)

]

url : https://hhvm.com/blog/2020/02/20/security-update.html (string)

}

2 : { »

source : af854a3a-2127-422b-91ae-364da2661108 (string)

tags : [ »

0 : Patch (string)

]

url : https://github.com/facebook/hhvm/commit/dabd48caf74995e605f1700344f1ff4a5d83441d (string)

}

3 : { »

source : af854a3a-2127-422b-91ae-364da2661108 (string)

tags : [ »

0 : Vendor Advisory (string)

]

url : https://hhvm.com/blog/2020/02/20/security-update.html (string)

}

]

sourceIdentifier : cve-assign@fb.com (string)

vulnStatus : Modified (string)

weaknesses : [ »

0 : { »

description : [ »

0 : { »

lang : en (string)

value : CWE-125 (string)

}

]

source : cve-assign@fb.com (string)

type : Secondary (string)

}

1 : { »

description : [ »

0 : { »

lang : en (string)

value : CWE-125 (string)

}

]

source : nvd@nist.gov (string)

type : Primary (string)

}

]

}

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact High

User Interaction Required

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact Partial

Affected Vendors & Products

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact High

User Interaction Required

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact Partial

Affected Vendors & Products

JSON object

JSON object

JSON object

JSON object