CERTA-2004-AVI-298
Vulnerability from certfr_avis
Une vulnérabilité a été découverte dans OpenBSD qui permet à un utilisateur mal intentionné d'effectuer un déni de service sur la machine vulnérable.
Description
Une vulnérabilité a été découverte dans la mise en œuvre du traitement
des paquets ICMP par OpenBSD configuré en mode bridge et gérant le
protocole IPsec. L'envoi d'un paquet ICMP malicieusement formé au
travers du bridge permet à un utilisateur mal intentionné d'effectuer un
déni de service sur la machine affectée.
Solution
Appliquer le correctif suivant la version d'OpenBSD :
-
version 3.4 :
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/028_bridge.patch -
version 3.5 :
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.5/common/016_bridge.patch
OpenBSD versions 3.4 et 3.5.
Impacted products
| Vendor | Product | Description |
|---|
References
| Title | Publication Time | Tags | ||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [],
"affected_systems_content": "\u003cP\u003eOpenBSD versions 3.4 et 3.5.\u003c/P\u003e",
"content": "## Description\n\nUne vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans la mise en \u0153uvre du traitement\ndes paquets ICMP par OpenBSD configur\u00e9 en mode `bridge` et g\u00e9rant le\nprotocole IPsec. L\u0027envoi d\u0027un paquet ICMP malicieusement form\u00e9 au\ntravers du bridge permet \u00e0 un utilisateur mal intentionn\u00e9 d\u0027effectuer un\nd\u00e9ni de service sur la machine affect\u00e9e.\n\n## Solution\n\nAppliquer le correctif suivant la version d\u0027OpenBSD :\n\n- version 3.4 :\n\n ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/028_bridge.patch\n\n- version 3.5 :\n\n ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.5/common/016_bridge.patch\n",
"cves": [],
"initial_release_date": "2004-09-03T00:00:00",
"last_revision_date": "2004-09-03T00:00:00",
"links": [
{
"title": "Bulletins de s\u00e9curit\u00e9 pour OpenBSD 3.4 et 3.5 du 26 Ao\u00fbt 2004 :",
"url": "http://www.openbsd.org/errata34.html#bridge"
}
],
"reference": "CERTA-2004-AVI-298",
"revisions": [
{
"description": "version initiale.",
"revision_date": "2004-09-03T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service"
}
],
"summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans OpenBSD qui permet \u00e0 un\nutilisateur mal intentionn\u00e9 d\u0027effectuer un d\u00e9ni de service sur la\nmachine vuln\u00e9rable.\n",
"title": "Vuln\u00e9rabilit\u00e9 dans OpenBSD",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 du 26 Ao\u00fbt 2004 d\u0027OpenBSD",
"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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