CERTA-2004-AVI-075
Vulnerability from certfr_avis - Published: - Updated:
Une vulnérabilité à été découverte dans la pile TCP/IP des systèmes OpenBSD 3.x.
Description
La pile TCP/IP d'OpenBSD n'impose aucune limite pour le stockage des segments invalides.
L'envoi massif de segments TCP invalides permet à un utilisateur mal intentionné de réaliser un déni de service sur le système.
Solution
Appliquer le correctif suivant la version d'OpenBSD :
-
OpenBSD 3.3 :
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.3/common/018_tcp.patch -
OpenBSD 3.4 :
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/013_tcp.patch
OpenBSD 3.x.
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 3.x.\u003c/P\u003e",
"content": "## Description\n\nLa pile TCP/IP d\u0027OpenBSD n\u0027impose aucune limite pour le stockage des\nsegments invalides.\n\nL\u0027envoi massif de segments TCP invalides permet \u00e0 un utilisateur mal\nintentionn\u00e9 de r\u00e9aliser un d\u00e9ni de service sur le syst\u00e8me.\n\n## Solution\n\nAppliquer le correctif suivant la version d\u0027OpenBSD :\n\n- OpenBSD 3.3 :\n\n ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.3/common/018_tcp.patch\n\n- OpenBSD 3.4 :\n\n ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.4/common/013_tcp.patch\n",
"cves": [],
"links": [],
"reference": "CERTA-2004-AVI-075",
"revisions": [
{
"description": "version initiale.",
"revision_date": "2004-03-10T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service"
}
],
"summary": "Une vuln\u00e9rabilit\u00e9 \u00e0 \u00e9t\u00e9 d\u00e9couverte dans la pile TCP/IP des syst\u00e8mes\nOpenBSD 3.x.\n",
"title": "Vuln\u00e9rabilit\u00e9 dans la pile TCP/IP de OpenBSD",
"vendor_advisories": [
{
"published_at": null,
"title": "Avis OpenBSD",
"url": "http://www.openbsd.org/errata.html"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
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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