fkie_cve-2012-4445
Vulnerability from fkie_nvd
Published
2012-10-10 18:55
Modified
2025-04-11 00:51
Severity ?
Summary
Heap-based buffer overflow in the eap_server_tls_process_fragment function in eap_server_tls_common.c in the EAP authentication server in hostapd 0.6 through 1.0 allows remote attackers to cause a denial of service (crash or abort) via a small "TLS Message Length" value in an EAP-TLS message with the "More Fragments" flag set.
References
Impacted products
{
"configurations": [
{
"nodes": [
{
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{
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"negate": false,
"operator": "OR"
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Heap-based buffer overflow in the eap_server_tls_process_fragment function in eap_server_tls_common.c in the EAP authentication server in hostapd 0.6 through 1.0 allows remote attackers to cause a denial of service (crash or abort) via a small \"TLS Message Length\" value in an EAP-TLS message with the \"More Fragments\" flag set."
},
{
"lang": "es",
"value": "Desbordamiento de b\u00fafer basado en memoria din\u00e1mica en la funci\u00f3n eap_server_tls_process_fragment de eap_server_tls_common.c en el servidor de autenticaci\u00f3n EAP en hostapd v0.6 hasta v1.0 permite a atacantes remotos provocar un denegaci\u00f3n de servicio (ca\u00edda o cancelaci\u00f3n) mediante un valor \"TLS Message Length\" peque\u00f1o, en un mensaje EAP-TLS con el valor \"More Fragments\" activo."
}
],
"id": "CVE-2012-4445",
"lastModified": "2025-04-11T00:51:21.963",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2012-10-10T18:55:04.377",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://osvdb.org/86051"
},
{
"source": "secalert@redhat.com",
"tags": [
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},
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{
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"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:168"
},
{
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"url": "http://www.openwall.com/lists/oss-security/2012/10/08/3"
},
{
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"url": "http://www.pre-cert.de/advisories/PRE-SA-2012-07.txt"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securityfocus.com/bid/55826"
},
{
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"url": "http://www.securitytracker.com/id?1027808"
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{
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},
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"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-119"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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