FKIE_CVE-2023-24620
Vulnerability from fkie_nvd - Published: 2023-08-25 20:15 - Updated: 2024-11-21 07:48
Severity
Summary
An issue was discovered in Esoteric YamlBeans through 1.15. A crafted YAML document is able perform am XML Entity Expansion attack against YamlBeans YamlReader. By exploiting the Anchor feature in YAML, it is possible to generate a small YAML document that, when read, is expanded to a large size, causing CPU and memory consumption, such as a Java Out-of-Memory exception.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | https://contrastsecurity.com | Third Party Advisory | |
| cve@mitre.org | https://github.com/Contrast-Security-OSS/yamlbeans/blob/main/SECURITY.md | Exploit, Third Party Advisory | |
| cve@mitre.org | https://github.com/EsotericSoftware | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://contrastsecurity.com | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/Contrast-Security-OSS/yamlbeans/blob/main/SECURITY.md | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/EsotericSoftware | Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| esotericsoftware | yamlbeans | * |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:esotericsoftware:yamlbeans:*:*:*:*:*:*:*:*",
"matchCriteriaId": "AA60B6AE-695A-4791-88C5-576BDEEA4FE4",
"versionEndIncluding": "1.15",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in Esoteric YamlBeans through 1.15. A crafted YAML document is able perform am XML Entity Expansion attack against YamlBeans YamlReader. By exploiting the Anchor feature in YAML, it is possible to generate a small YAML document that, when read, is expanded to a large size, causing CPU and memory consumption, such as a Java Out-of-Memory exception."
},
{
"lang": "es",
"value": "Un problema fue descubierto en Esoteric YamlBeans a trav\u00e9s de 1.15. Un documento YAML manipulado es capaz de realizar un ataque de Expansi\u00f3n de Entidad XML contra YamlReader YamlBeans. Mediante la explotaci\u00f3n de la funci\u00f3n de anclaje en YAML, es posible generar un peque\u00f1o documento YAML que, cuando se lee, se expande a un gran tama\u00f1o, causando el consumo de CPU y memoria, como una excepci\u00f3n Java Out-of-Memory.\n"
}
],
"id": "CVE-2023-24620",
"lastModified": "2024-11-21T07:48:14.763",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2023-08-25T20:15:07.893",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://contrastsecurity.com"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/Contrast-Security-OSS/yamlbeans/blob/main/SECURITY.md"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/EsotericSoftware"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://contrastsecurity.com"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/Contrast-Security-OSS/yamlbeans/blob/main/SECURITY.md"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/EsotericSoftware"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-611"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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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