FKIE_CVE-2009-3522
Vulnerability from fkie_nvd - Published: 2009-10-01 17:00 - Updated: 2026-06-16 23:11
Severity
Summary
Stack-based buffer overflow in aswMon2.sys in avast! Home and Professional for Windows 4.8.1351, and possibly other versions before 4.8.1356, allows local users to cause a denial of service (system crash) and possibly gain privileges via a crafted IOCTL request to IOCTL 0xb2c80018.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| avast | avast_antivirus_home | 4.8.1351 | |
| avast | avast_antivirus_professional | 4.8.1351 |
{
"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:avast:avast_antivirus_home:4.8.1351:*:windows:*:*:*:*:*",
"matchCriteriaId": "BC6D7AC9-3351-4AE7-B2E3-00AD7C7B2E2C",
"vulnerable": true
},
{
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"matchCriteriaId": "F398BFA7-75F1-49C5-A306-820C77EEBAE2",
"vulnerable": true
}
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"negate": false,
"operator": "OR"
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Stack-based buffer overflow in aswMon2.sys in avast! Home and Professional for Windows 4.8.1351, and possibly other versions before 4.8.1356, allows local users to cause a denial of service (system crash) and possibly gain privileges via a crafted IOCTL request to IOCTL 0xb2c80018."
},
{
"lang": "es",
"value": "Desbordamiento de b\u00fafer basado en pila en aswMon2.sys en avast! Home y Professional para Windows v4.8.1351, y probablemente otras versiones anteriores v4.8.1356, permite a usuarios locales causar una denegaci\u00f3n de servicios (ca\u00edda sistema) y probablemente obtener privilegios a trav\u00e9s de peticiones IOCTL manipuladas en IOCTL 0xb2c80018."
}
],
"id": "CVE-2009-3522",
"lastModified": "2026-06-16T23:11:46.357",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.2,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2009-10-01T17:00:00.250",
"references": [
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"url": "http://osvdb.org/58402"
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{
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"tags": [
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"url": "http://secunia.com/advisories/36858"
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{
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"tags": [
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"url": "http://www.avast.com/eng/avast-4-home_pro-revision-history.html"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/archive/1/506681/100/0/threaded"
},
{
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"tags": [
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"url": "http://www.securityfocus.com/bid/36507"
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"url": "http://www.vupen.com/english/advisories/2009/2761"
},
{
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"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/53456"
},
{
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"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6226"
},
{
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"tags": [
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"url": "https://www.evilfingers.com/advisory/Advisory/Avast_aswMon2.sys_kernel_memory_corruption_and_Local_Privilege_Escalation.php"
},
{
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"url": "http://osvdb.org/58402"
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{
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"tags": [
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"url": "http://secunia.com/advisories/36858"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "http://www.avast.com/eng/avast-4-home_pro-revision-history.html"
},
{
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"url": "http://www.securityfocus.com/archive/1/506681/100/0/threaded"
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{
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"tags": [
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"url": "http://www.securityfocus.com/bid/36507"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securitytracker.com/id?1022940"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "http://www.vupen.com/english/advisories/2009/2761"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/53456"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6226"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit"
],
"url": "https://www.evilfingers.com/advisory/Advisory/Avast_aswMon2.sys_kernel_memory_corruption_and_Local_Privilege_Escalation.php"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-119"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
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Nomenclature
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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
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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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