FKIE_CVE-2007-4657
Vulnerability from fkie_nvd - Published: 2007-09-04 22:17 - Updated: 2026-06-16 22:44
Severity
Summary
Multiple integer overflows in PHP 4 before 4.4.8, and PHP 5 before 5.2.4, allow remote attackers to obtain sensitive information (memory contents) or cause a denial of service (thread crash) via a large len value to the (1) strspn or (2) strcspn function, which triggers an out-of-bounds read. NOTE: this affects different product versions than CVE-2007-3996.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| php | php | * | |
| php | php | * | |
| debian | debian_linux | 3.1 | |
| debian | debian_linux | 4.0 | |
| canonical | ubuntu_linux | 6.06 | |
| canonical | ubuntu_linux | 6.10 | |
| canonical | ubuntu_linux | 7.04 | |
| canonical | ubuntu_linux | 7.10 |
{
"affected": [
{
"affectedData": [
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"vendor": "n/a",
"versions": [
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"version": "n/a"
}
]
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],
"source": "cve@mitre.org"
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Multiple integer overflows in PHP 4 before 4.4.8, and PHP 5 before 5.2.4, allow remote attackers to obtain sensitive information (memory contents) or cause a denial of service (thread crash) via a large len value to the (1) strspn or (2) strcspn function, which triggers an out-of-bounds read. NOTE: this affects different product versions than CVE-2007-3996."
},
{
"lang": "es",
"value": "M\u00faltiples desbordamientos de entero en PHP 4 anterior a 4.4.8, y PHP 5 anterior a 5.2.4, permite a atacantes remotos obtener informaci\u00f3n sensible (contenido de memoria) o provocar denegaci\u00f3n de servicio (caida de hilo) a trav\u00e9s de un valor de len grande en la funci\u00f3n (1) strspn o (2) strcspn, lo cual dispara un lectura fuera de l\u00edmite. NOTA: estos afecta a diferentes versiones de producto que al CVE-2007-3996."
}
],
"id": "CVE-2007-4657",
"lastModified": "2026-06-16T22:44:31.203",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2007-09-04T22:17:00.000",
"references": [
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{
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{
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"sourceIdentifier": "cve@mitre.org",
"vendorComments": [
{
"comment": "The only effect of this bug is to cause the process to read from a random segment of memory, if a large \u0026quot;length\u0026quot; parameter is passed to the strspn/strcspn function, which is under the control of the script author. This bug has no security impact.\n",
"lastModified": "2007-09-05T00:00:00",
"organization": "Red Hat"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-119"
},
{
"lang": "en",
"value": "CWE-189"
}
],
"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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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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