CVE-2011-3631
Estado: ModificadaAlta (8.8)—
Hardlink before 0.1.2 has multiple integer overflows leading to heap-based buffer overflows because of the way string lengths concatenation is done in the calculation of the required memory space to be used. A remote attacker could provide a specially-crafted directory tree and trick the local user into consolidating it, leading to hardlink executable crash or potentially arbitrary code execution with user privileges.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Puntuación base: 8.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 2.69%
- Percentil entre todas las CVEs puntuadas: 85
- Fecha de la puntuación: 4/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (3)
CWE
- CWE-190
Referencias
- https://access.redhat.com/security/cve/cve-2011-3631
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=645516
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-3631
- https://security-tracker.debian.org/tracker/CVE-2011-3631
- https://access.redhat.com/security/cve/cve-2011-3631
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=645516
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-3631
- https://security-tracker.debian.org/tracker/CVE-2011-3631
JSON original (NVD)
Mostrar
{
"id": "CVE-2011-3631",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 6.8,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 8.8,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "secalert@redhat.com",
"affectedData": [
{
"vendor": "hardlink",
"product": "hardlink",
"versions": [
{
"status": "affected",
"version": "0.3.0"
}
]
}
]
}
],
"published": "2019-11-26T04:15:11.013",
"references": [
{
"url": "https://access.redhat.com/security/cve/cve-2011-3631",
"tags": [
"Third Party Advisory"
],
"source": "secalert@redhat.com"
},
{
"url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=645516",
"tags": [
"Issue Tracking",
"Third Party Advisory"
],
"source": "secalert@redhat.com"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-3631",
"tags": [
"Issue Tracking",
"Third Party Advisory"
],
"source": "secalert@redhat.com"
},
{
"url": "https://security-tracker.debian.org/tracker/CVE-2011-3631",
"tags": [
"Third Party Advisory"
],
"source": "secalert@redhat.com"
},
{
"url": "https://access.redhat.com/security/cve/cve-2011-3631",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=645516",
"tags": [
"Issue Tracking",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-3631",
"tags": [
"Issue Tracking",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://security-tracker.debian.org/tracker/CVE-2011-3631",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-190"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Hardlink before 0.1.2 has multiple integer overflows leading to heap-based buffer overflows because of the way string lengths concatenation is done in the calculation of the required memory space to be used. A remote attacker could provide a specially-crafted directory tree and trick the local user into consolidating it, leading to hardlink executable crash or potentially arbitrary code execution with user privileges."
},
{
"lang": "es",
"value": "Hardlink versiones anteriores a 0.1.2, presenta múltiples desbordamientos de enteros que conllevan a desbordamientos de búfer en la región heap de la memoria debido a la manera en que se realiza la concatenación de las longitudes de cadena en el cálculo del espacio de memoria requerido para ser usado. Un atacante remoto podría proveer un árbol de directorios especialmente diseñado y engañar al usuario local para consolidarlo, conllevando a un bloqueo del ejecutable de hardlink o una ejecución de código potencialmente arbitraria con privilegios de usuario."
}
],
"lastModified": "2026-06-16T23:33:39.607",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:hardlink_project:hardlink:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7A903396-C380-42B6-870A-F21E313A66D4",
"versionEndExcluding": "0.1.2"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1D8B549B-E57B-4DFE-8A13-CAB06B5356B3"
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2F6AB192-9D7D-4A9A-8995-E53A9DE9EAFC"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "secalert@redhat.com"
}