FKIE_CVE-2007-1521
Vulnerability from fkie_nvd - Published: 2007-03-20 20:19 - Updated: 2026-06-16 22:37
Severity
Summary
Double free vulnerability in PHP before 4.4.7, and 5.x before 5.2.2, allows context-dependent attackers to execute arbitrary code by interrupting the session_regenerate_id function, as demonstrated by calling a userspace error handler or triggering a memory limit violation.
References
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "cve@mitre.org"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
"matchCriteriaId": "FEE12690-B08D-4AB2-8092-013DE1A33C4C",
"versionEndIncluding": "5.2.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Double free vulnerability in PHP before 4.4.7, and 5.x before 5.2.2, allows context-dependent attackers to execute arbitrary code by interrupting the session_regenerate_id function, as demonstrated by calling a userspace error handler or triggering a memory limit violation."
},
{
"lang": "es",
"value": "Una vulnerabilidad de doble liberaci\u00f3n en PHP versiones anteriores a 4.4.7, y versiones 5.x anteriores a 5.2.2, permite a atacantes dependiendo del contexto ejecutar c\u00f3digo arbitrario mediante la interrupci\u00f3n de la funci\u00f3n session_regenerate_id, como es demostrado mediante la llamada de un manejador de errores de espacio de usuario o desencadenando una violaci\u00f3n de l\u00edmite de memoria."
}
],
"id": "CVE-2007-1521",
"lastModified": "2026-06-16T22:37:45.100",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": true,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2007-03-20T20:19:00.000",
"references": [
{
"source": "cve@mitre.org",
"url": "http://docs.info.apple.com/article.html?artnum=306172"
},
{
"source": "cve@mitre.org",
"url": "http://lists.apple.com/archives/security-announce//2007/Jul/msg00004.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/24505"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/25025"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/25056"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/25057"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/25062"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/25445"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/26235"
},
{
"source": "cve@mitre.org",
"url": "http://security.gentoo.org/glsa/glsa-200705-19.xml"
},
{
"source": "cve@mitre.org",
"url": "http://us2.php.net/releases/4_4_7.php"
},
{
"source": "cve@mitre.org",
"url": "http://us2.php.net/releases/5_2_2.php"
},
{
"source": "cve@mitre.org",
"url": "http://www.debian.org/security/2007/dsa-1282"
},
{
"source": "cve@mitre.org",
"url": "http://www.debian.org/security/2007/dsa-1283"
},
{
"source": "cve@mitre.org",
"url": "http://www.novell.com/linux/security/advisories/2007_32_php.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Vendor Advisory"
],
"url": "http://www.php-security.org/MOPB/MOPB-22-2007.html"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/bid/22968"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/bid/25159"
},
{
"source": "cve@mitre.org",
"url": "http://www.ubuntu.com/usn/usn-455-1"
},
{
"source": "cve@mitre.org",
"url": "http://www.vupen.com/english/advisories/2007/0960"
},
{
"source": "cve@mitre.org",
"url": "http://www.vupen.com/english/advisories/2007/2732"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://docs.info.apple.com/article.html?artnum=306172"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.apple.com/archives/security-announce//2007/Jul/msg00004.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/24505"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/25025"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/25056"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/25057"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/25062"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/25445"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/26235"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://security.gentoo.org/glsa/glsa-200705-19.xml"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://us2.php.net/releases/4_4_7.php"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://us2.php.net/releases/5_2_2.php"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2007/dsa-1282"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2007/dsa-1283"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.novell.com/linux/security/advisories/2007_32_php.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Vendor Advisory"
],
"url": "http://www.php-security.org/MOPB/MOPB-22-2007.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/22968"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/25159"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/usn-455-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.vupen.com/english/advisories/2007/0960"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.vupen.com/english/advisories/2007/2732"
}
],
"sourceIdentifier": "cve@mitre.org",
"vendorComments": [
{
"comment": "The PHP interpreter does not offer a reliable \u0026quot;sandboxed\u0026quot; security\nlayer (as found in, say, a JVM) in which untrusted scripts can be run;\nany script run by the PHP interpreter must be trusted with the\nprivileges of the interpreter itself. We therefore do not classify\nthis issue as security-sensitive since no trust boundary is crossed.\n",
"lastModified": "2007-04-16T00:00:00",
"organization": "Red Hat"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
],
"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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