CVE-2019-5427 (GCVE-0-2019-5427)
Vulnerability from cvelistv5 – Published: 2019-04-22 20:52 – Updated: 2024-08-04 19:54
VLAI
EPSS
VEX
Summary
c3p0 version < 0.9.5.4 may be exploited by a billion laughs attack when loading XML configuration due to missing protections against recursive entity expansion when loading configuration.
Severity
7.5 (High)
CWE
- CWE-776 - XML Entity Expansion (CWE-776)
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://www.oracle.com/security-alerts/cpuapr2020.html | x_refsource_MISC |
| https://www.oracle.com/security-alerts/cpujul2020.html | x_refsource_MISC |
| https://hackerone.com/reports/509315 | x_refsource_MISC |
| https://www.oracle.com/security-alerts/cpuoct2020.html | x_refsource_MISC |
| https://www.oracle.com/security-alerts/cpujan2021.html | x_refsource_MISC |
| https://www.oracle.com/security-alerts/cpuoct2021.html | x_refsource_MISC |
Date Public
2019-04-16 00:00
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"matchCriteriaId": "66916DEB-ACE1-44E0-9535-10B3E03347AC",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:enterprise_manager_ops_center:12.4.0.0:*:*:*:*:*:*:*",
"matchCriteriaId": "B095CC03-7077-4A58-AB25-CC5380CDCE5A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:flexcube_private_banking:12.0.0:*:*:*:*:*:*:*",
"matchCriteriaId": "6762F207-93C7-4363-B2F9-7A7C6F8AF993",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:flexcube_private_banking:12.1.0:*:*:*:*:*:*:*",
"matchCriteriaId": "1B74B912-152D-4F38-9FC1-741D6D0B27FC",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:hyperion_infrastructure_technology:11.1.2.4:*:*:*:*:*:*:*",
"matchCriteriaId": "DED59B62-C9BF-4C0E-B351-3884E8441655",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:retail_xstore_point_of_service:15.0:*:*:*:*:*:*:*",
"matchCriteriaId": "11DA6839-849D-4CEF-85F3-38FE75E07183",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:retail_xstore_point_of_service:16.0:*:*:*:*:*:*:*",
"matchCriteriaId": "BCE78490-A4BE-40BD-8C72-0A4526BBD4A4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:retail_xstore_point_of_service:17.0:*:*:*:*:*:*:*",
"matchCriteriaId": "55AE3629-4A66-49E4-A33D-6D81CC94962F",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:retail_xstore_point_of_service:18.0:*:*:*:*:*:*:*",
"matchCriteriaId": "4CB39A1A-AD29-45DD-9EB5-5E2053A01B9A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:retail_xstore_point_of_service:19.0:*:*:*:*:*:*:*",
"matchCriteriaId": "27C26705-6D1F-4D5E-B64D-B479108154FF",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:webcenter_sites:12.2.1.3.0:*:*:*:*:*:*:*",
"matchCriteriaId": "D551CAB1-4312-44AA-BDA8-A030817E153A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:webcenter_sites:12.2.1.4.0:*:*:*:*:*:*:*",
"matchCriteriaId": "174A6D2E-E42E-4C92-A194-C6A820CD7EF4",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "c3p0 version \u003c 0.9.5.4 may be exploited by a billion laughs attack when loading XML configuration due to missing protections against recursive entity expansion when loading configuration."
},
{
"lang": "es",
"value": "En c3p0 versiones \u003c0.9.5.4, puede ser explotada por un ataque de tipo a billion laughs al cargar la configuraci\u00f3n XML producto de la falta de protecciones faltantes contra la expansi\u00f3n recursiva de la entidad al cargar la configuraci\u00f3n."
}
],
"id": "CVE-2019-5427",
"lastModified": "2025-09-05T17:23:58.510",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2019-04-22T21:29:00.523",
"references": [
{
"source": "support@hackerone.com",
"tags": [
"Exploit",
"Issue Tracking",
"Patch",
"Third Party Advisory"
],
"url": "https://hackerone.com/reports/509315"
},
{
"source": "support@hackerone.com",
"tags": [
"Third Party Advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFIVX6HOVNLAM7W3SUAMHYRNLCVQSAWR/"
},
{
"source": "support@hackerone.com",
"tags": [
"Third Party Advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQ47OFV57Y2DAHMGA5H3JOL4WHRWRFN4/"
},
{
"source": "support@hackerone.com",
"tags": [
"Third Party Advisory"
],
"url": "https://www.oracle.com/security-alerts/cpuapr2020.html"
},
{
"source": "support@hackerone.com",
"tags": [
"Third Party Advisory"
],
"url": "https://www.oracle.com/security-alerts/cpujan2021.html"
},
{
"source": "support@hackerone.com",
"tags": [
"Third Party Advisory"
],
"url": "https://www.oracle.com/security-alerts/cpujul2020.html"
},
{
"source": "support@hackerone.com",
"tags": [
"Third Party Advisory"
],
"url": "https://www.oracle.com/security-alerts/cpuoct2020.html"
},
{
"source": "support@hackerone.com",
"tags": [
"Third Party Advisory"
],
"url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Issue Tracking",
"Patch",
"Third Party Advisory"
],
"url": "https://hackerone.com/reports/509315"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFIVX6HOVNLAM7W3SUAMHYRNLCVQSAWR/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQ47OFV57Y2DAHMGA5H3JOL4WHRWRFN4/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://www.oracle.com/security-alerts/cpuapr2020.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://www.oracle.com/security-alerts/cpujan2021.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://www.oracle.com/security-alerts/cpujul2020.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://www.oracle.com/security-alerts/cpuoct2020.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
}
],
"sourceIdentifier": "support@hackerone.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-776"
}
],
"source": "support@hackerone.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-776"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2026-08-04T23:12:38+00:00",
"cve": "CVE-2019-5427",
"id": "CVE-2019-5427",
"initial_release_date": "2019-04-17T00:00:00+00:00",
"product_status:fixed": "1",
"product_status:known_affected": "8",
"product_status:known_not_affected": "4",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "c3p0: loading XML configuration leads to denial of service",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-5427.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "low",
"current_release_date": "2026-08-31T08:30:21Z",
"cve": "CVE-2019-5427",
"id": "CVE-2019-5427",
"initial_release_date": "2023-02-15T04:17:19Z",
"product_status:known_affected": "394",
"product_status:recommended": "87",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2019-5427",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2019-5427.json",
"version": "29"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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