fkie_cve-2006-4812
Vulnerability from fkie_nvd
Published
2006-10-10 04:06
Modified
2025-04-09 00:30
Severity ?
Summary
Integer overflow in PHP 5 up to 5.1.6 and 4 before 4.3.0 allows remote attackers to execute arbitrary code via an argument to the unserialize PHP function with a large value for the number of array elements, which triggers the overflow in the Zend Engine ecalloc function (Zend/zend_alloc.c).
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| php | php | 4.0 | |
| php | php | 4.0.1 | |
| php | php | 4.0.1 | |
| php | php | 4.0.1 | |
| php | php | 4.0.2 | |
| php | php | 4.0.3 | |
| php | php | 4.0.3 | |
| php | php | 4.0.4 | |
| php | php | 4.0.5 | |
| php | php | 4.0.6 | |
| php | php | 4.0.7 | |
| php | php | 4.0.7 | |
| php | php | 4.0.7 | |
| php | php | 4.0.7 | |
| php | php | 4.1.0 | |
| php | php | 4.1.1 | |
| php | php | 4.1.2 | |
| php | php | 4.2 | |
| php | php | 4.2.0 | |
| php | php | 4.2.1 | |
| php | php | 4.2.2 | |
| php | php | 4.2.3 | |
| php | php | 5.0 | |
| php | php | 5.0 | |
| php | php | 5.0 | |
| php | php | 5.0.0 | |
| php | php | 5.0.1 | |
| php | php | 5.0.2 | |
| php | php | 5.0.3 | |
| php | php | 5.0.4 | |
| php | php | 5.0.5 | |
| php | php | 5.1.0 | |
| php | php | 5.1.1 | |
| php | php | 5.1.2 | |
| php | php | 5.1.3 | |
| php | php | 5.1.4 | |
| php | php | 5.1.5 | |
| php | php | 5.1.6 |
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"descriptions": [
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"lang": "en",
"value": "Integer overflow in PHP 5 up to 5.1.6 and 4 before 4.3.0 allows remote attackers to execute arbitrary code via an argument to the unserialize PHP function with a large value for the number of array elements, which triggers the overflow in the Zend Engine ecalloc function (Zend/zend_alloc.c)."
},
{
"lang": "es",
"value": "Desbordamiento de enteros en PHP 5 hasta la 5.1.6 y 4 anteriorer a 4.3.0 permite a un atacante remoto ejecutar c\u00f3digo de su elecci\u00f3n a trav\u00e9s de un argumento a la funcion PHP unserializable con un valor grande para el n\u00famero de elementos del array, lo cual dispara el desbordamiento en la funci\u00f3n ecalloc en Zend Engine (Zend/zend_alloc.c)."
}
],
"id": "CVE-2006-4812",
"lastModified": "2025-04-09T00:30:58.490",
"metrics": {
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"baseSeverity": "HIGH",
"cvssData": {
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 10.0,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 10.0,
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"source": "nvd@nist.gov",
"type": "Primary",
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},
"published": "2006-10-10T04:06:00.000",
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"url": "http://cvs.php.net/viewvc.cgi/ZendEngine2/zend_alloc.c?r1=1.161\u0026r2=1.162"
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],
"sourceIdentifier": "secalert@redhat.com",
"vendorComments": [
{
"comment": "Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.\n\nThis issue did not affect the versions of php as shipped with Red Hat Enterprise Linux 3, and 4.",
"lastModified": "2008-06-26T00:00:00",
"organization": "Red Hat"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-94"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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