CVE-2011-0752 (GCVE-0-2011-0752)
Vulnerability from cvelistv5 – Published: 2011-02-02 21:00 – Updated: 2024-08-06 22:05
VLAI
EPSS
VEX
Summary
The extract function in PHP before 5.2.15 does not prevent use of the EXTR_OVERWRITE parameter to overwrite (1) the GLOBALS superglobal array and (2) the this variable, which allows context-dependent attackers to bypass intended access restrictions by modifying data structures that were not intended to depend on external input, a related issue to CVE-2005-2691 and CVE-2006-3758.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
7 references
| URL | Tags |
|---|---|
| http://marc.info/?l=bugtraq&m=133469208622507&w=2 | vendor-advisoryx_refsource_HP |
| https://exchange.xforce.ibmcloud.com/vulnerabilit… | vdb-entryx_refsource_XF |
| https://oval.cisecurity.org/repository/search/def… | vdb-entrysignaturex_refsource_OVAL |
| http://www.php.net/ChangeLog-5.php | x_refsource_CONFIRM |
| http://www.php.net/archive/2010.php#id2010-12-10-1 | x_refsource_CONFIRM |
| http://www.php.net/releases/5_2_15.php | x_refsource_CONFIRM |
| http://www.openwall.com/lists/oss-security/2010/12/13/4 | mailing-listx_refsource_MLIST |
Date Public
2010-12-09 00:00
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"value": "The extract function in PHP before 5.2.15 does not prevent use of the EXTR_OVERWRITE parameter to overwrite (1) the GLOBALS superglobal array and (2) the this variable, which allows context-dependent attackers to bypass intended access restrictions by modifying data structures that were not intended to depend on external input, a related issue to CVE-2005-2691 and CVE-2006-3758."
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"lang": "es",
"value": "La funci\u00f3n Extract en PHP anteriores a v5.2.15 no previenen la utilizaci\u00f3n del par\u00e1metro EXTR_OVERWRITE para sobreescribir (1) la tabla superglobal GLOBALS y (2) la variable this, lo que permite a atacantes dependientes de contexto eludir las restricciones de acceso previsto por la modificaci\u00f3n de estructuras de datos que no estaban destinadas a depender de entradas externas, relacionado con CVE-2005-2691 y CVE-2006 3758."
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
"version": "2.0"
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"exploitabilityScore": 10.0,
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"negate": false,
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The extract function in PHP before 5.2.15 does not prevent use of the EXTR_OVERWRITE parameter to overwrite (1) the GLOBALS superglobal array and (2) the this variable, which allows context-dependent attackers to bypass intended access restrictions by modifying data structures that were not intended to depend on external input, a related issue to CVE-2005-2691 and CVE-2006-3758."
},
{
"lang": "es",
"value": "La funci\u00f3n Extract en PHP anteriores a v5.2.15 no previenen la utilizaci\u00f3n del par\u00e1metro EXTR_OVERWRITE para sobreescribir (1) la tabla superglobal GLOBALS y (2) la variable this, lo que permite a atacantes dependientes de contexto eludir las restricciones de acceso previsto por la modificaci\u00f3n de estructuras de datos que no estaban destinadas a depender de entradas externas, relacionado con CVE-2005-2691 y CVE-2006 3758."
}
],
"id": "CVE-2011-0752",
"lastModified": "2026-04-29T01:13:23.040",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2011-02-02T22:00:01.770",
"references": [
{
"source": "cve@mitre.org",
"url": "http://marc.info/?l=bugtraq\u0026m=133469208622507\u0026w=2"
},
{
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"url": "http://www.openwall.com/lists/oss-security/2010/12/13/4"
},
{
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"url": "http://www.php.net/ChangeLog-5.php"
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},
{
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},
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},
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},
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"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
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},
"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2025-11-21T12:59:47+00:00",
"cve": "CVE-2011-0752",
"id": "CVE-2011-0752",
"initial_release_date": "2011-01-01T00:00:00+00:00",
"product_status:known_not_affected": "30",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "php: extract() can overwrite $GLOBALS and $this when using EXTR_OVERWRITE",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-0752.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "low",
"current_release_date": "2026-05-02T01:40:17Z",
"cve": "CVE-2011-0752",
"id": "CVE-2011-0752",
"initial_release_date": "2023-02-15T05:54:24Z",
"product_status:recommended": "90",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2011-0752",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2011-0752.json",
"version": "7"
}
}
}
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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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.