CERTA-2007-AVI-089
Vulnerability from certfr_avis
Deux vulnérabilités concernent le module IPS des systèmes Cisco IOS affectés. Elles permettent respectivement de contourner la politique de sécurité et de provoquer un déni de service à distance.
Description
Le module IPS (Intrusion protection system) des systèmes Cisco IOS réagit aux intrusions qu'il détecte sur la base de signatures.
Deux vulnérabilités affectent les systèmes IOS lorsque le module IPS est activé :
- une mauvaise gestion des paquets fragmentés permet, dans certaines circonstances, de contourner le filtrage ;
- du trafic malveillant peut provoquer un déni de service par arrêt inopiné (crash) du système.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
NoneReferences
| Title | Publication Time | Tags | ||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Cisco IOS 12.x ;",
"product": {
"name": "IOS",
"vendor": {
"name": "Cisco",
"scada": false
}
}
},
{
"description": "Cisco IOS R12.x.",
"product": {
"name": "IOS",
"vendor": {
"name": "Cisco",
"scada": false
}
}
}
],
"affected_systems_content": null,
"content": "## Description\n\nLe module IPS (Intrusion protection system) des syst\u00e8mes Cisco IOS\nr\u00e9agit aux intrusions qu\u0027il d\u00e9tecte sur la base de signatures.\n\n \n \n\nDeux vuln\u00e9rabilit\u00e9s affectent les syst\u00e8mes IOS lorsque le module IPS est\nactiv\u00e9 :\n\n- une mauvaise gestion des paquets fragment\u00e9s permet, dans certaines\n circonstances, de contourner le filtrage ;\n- du trafic malveillant peut provoquer un d\u00e9ni de service par arr\u00eat\n inopin\u00e9 (crash) du syst\u00e8me.\n\n## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
"cves": [],
"initial_release_date": "2007-02-16T00:00:00",
"last_revision_date": "2007-02-16T00:00:00",
"links": [
{
"title": "Bulletin de s\u00e9curit\u00e9 Cisco ID 81545 du 13 f\u00e9vrier 2007 :",
"url": "http://www.cisco.com/en/US/products/products_security_advisory09186a00807e2484.shtml"
}
],
"reference": "CERTA-2007-AVI-089",
"revisions": [
{
"description": "version initiale.",
"revision_date": "2007-02-16T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
}
],
"summary": "Deux vuln\u00e9rabilit\u00e9s concernent le module IPS des syst\u00e8mes \u003cspan\nclass=\"textit\"\u003eCisco IOS\u003c/span\u003e affect\u00e9s. Elles permettent\nrespectivement de contourner la politique de s\u00e9curit\u00e9 et de provoquer un\nd\u00e9ni de service \u00e0 distance.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s du module IPS de Cisco IOS",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin Cisco du 13 f\u00e9vrier 2007",
"url": null
}
]
}
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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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