CVE-2006-4020 (GCVE-0-2006-4020)
Vulnerability from cvelistv5 – Published: 2006-08-08 20:00 – Updated: 2024-08-07 18:57
VLAI
EPSS
VEX
Summary
scanf.c in PHP 5.1.4 and earlier, and 4.4.3 and earlier, allows context-dependent attackers to execute arbitrary code via a sscanf PHP function call that performs argument swapping, which increments an index past the end of an array and triggers a buffer over-read.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
39 references
Date Public
2006-08-04 00:00
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"descriptions": [
{
"lang": "en",
"value": "scanf.c in PHP 5.1.4 and earlier, and 4.4.3 and earlier, allows context-dependent attackers to execute arbitrary code via a sscanf PHP function call that performs argument swapping, which increments an index past the end of an array and triggers a buffer over-read."
},
{
"lang": "es",
"value": "scanf.c en PHP 5.1.4 y anteriores, y 4.4.3 y anteriores, permite a atacantes (locales o remotos dependiendo del contexto) ejecutar c\u00f3digo de su elecci\u00f3n mediante una llamada a la funci\u00f3n sscanf de PHP que realiza un intercambio de argumentos que incrementa un \u00edndice m\u00e1s all\u00e1 del final de un array y dispara una lectura de b\u00fafer fuera de l\u00edmite."
}
],
"evaluatorSolution": "A Patch(es) addressing this vulnerability can be found here:\r\nhttp://snaps.php.net/\r\n",
"id": "CVE-2006-4020",
"lastModified": "2024-11-21T00:14:57.367",
"metrics": {
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{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.6,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": true,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2006-08-08T20:04:00.000",
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"url": "http://support.avaya.com/elmodocs2/security/ASA-2006-221.htm"
},
{
"source": "secalert@redhat.com",
"url": "http://support.avaya.com/elmodocs2/security/ASA-2006-222.htm"
},
{
"source": "secalert@redhat.com",
"url": "http://support.avaya.com/elmodocs2/security/ASA-2006-223.htm"
},
{
"source": "secalert@redhat.com",
"url": "http://www.mandriva.com/security/advisories?name=MDKSA-2006:144"
},
{
"source": "secalert@redhat.com",
"url": "http://www.novell.com/linux/security/advisories/2006_19_sr.html"
},
{
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"url": "http://www.novell.com/linux/security/advisories/2006_20_sr.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.novell.com/linux/security/advisories/2006_22_sr.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.novell.com/linux/security/advisories/2006_52_php.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.php.net/ChangeLog-5.php#5.1.5"
},
{
"source": "secalert@redhat.com",
"url": "http://www.php.net/release_5_1_5.php"
},
{
"source": "secalert@redhat.com",
"tags": [
"Exploit",
"URL Repurposed"
],
"url": "http://www.plain-text.info/sscanf_bug.txt"
},
{
"source": "secalert@redhat.com",
"url": "http://www.redhat.com/support/errata/RHSA-2006-0669.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.redhat.com/support/errata/RHSA-2006-0682.html"
},
{
"source": "secalert@redhat.com",
"tags": [
"Exploit",
"Patch",
"Vendor Advisory"
],
"url": "http://www.securityfocus.com/archive/1/442438/30/0/threaded"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securityfocus.com/bid/19415"
},
{
"source": "secalert@redhat.com",
"url": "http://www.ubuntu.com/usn/usn-342-1"
},
{
"source": "secalert@redhat.com",
"url": "http://www.vupen.com/english/advisories/2006/3193"
},
{
"source": "secalert@redhat.com",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11062"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Patch"
],
"url": "http://bugs.php.net/bug.php?id=38322"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://rhn.redhat.com/errata/RHSA-2006-0688.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://rhn.redhat.com/errata/RHSA-2006-0736.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/21403"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/21467"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/21546"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/21608"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/21683"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/21768"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/21847"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/22004"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/22039"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/22069"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/22440"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/22487"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/22538"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/23247"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://security.gentoo.org/glsa/glsa-200608-28.xml"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://securityreason.com/securityalert/1341"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://securitytracker.com/id?1016984"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://support.avaya.com/elmodocs2/security/ASA-2006-221.htm"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://support.avaya.com/elmodocs2/security/ASA-2006-222.htm"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://support.avaya.com/elmodocs2/security/ASA-2006-223.htm"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.mandriva.com/security/advisories?name=MDKSA-2006:144"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.novell.com/linux/security/advisories/2006_19_sr.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.novell.com/linux/security/advisories/2006_20_sr.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.novell.com/linux/security/advisories/2006_22_sr.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.novell.com/linux/security/advisories/2006_52_php.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.php.net/ChangeLog-5.php#5.1.5"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.php.net/release_5_1_5.php"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"URL Repurposed"
],
"url": "http://www.plain-text.info/sscanf_bug.txt"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.redhat.com/support/errata/RHSA-2006-0669.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.redhat.com/support/errata/RHSA-2006-0682.html"
},
{
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"tags": [
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"Patch",
"Vendor Advisory"
],
"url": "http://www.securityfocus.com/archive/1/442438/30/0/threaded"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/19415"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/usn-342-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.vupen.com/english/advisories/2006/3193"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11062"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2026-06-28T06:47:37+00:00",
"cve": "CVE-2006-4020",
"id": "CVE-2006-4020",
"initial_release_date": "2006-08-04T00:00:00+00:00",
"product_status:fixed": "409",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "security flaw",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2006/cve-2006-4020.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2023-12-09T03:42:06Z",
"cve": "CVE-2006-4020",
"id": "CVE-2006-4020",
"initial_release_date": "2023-02-15T06:14:37Z",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2006-4020",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2006-4020.json",
"version": "4"
}
}
}
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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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