CERTA-2005-AVI-124
Vulnerability from certfr_avis - Published: 2005-03-13 - Updated: 2005-07-22
Deux vulnérabilités découvertes dans le client Telnet permettent à un utilisateur mal intentionné d'exécuter du code arbitraire à distance sur le système vulnérable.
Description
Le client Telnet permet d'émuler un terminal à distance.
Deux vulnérabilités de type débordement de mémoire peuvent être exploitées au travers des fonctions slc_add_reply() et env_opt_add(). Ces vulnérabilités permettent à un individu mal intentionné d'exécuter du code arbitraire à distance, au moyen de réponses malicieusement constituées.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Client Telnet.
Impacted products
| Vendor | Product | Description |
|---|
References
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [],
"affected_systems_content": "\u003cP\u003eClient Telnet.\u003c/P\u003e",
"content": "## Description\n\nLe client Telnet permet d\u0027\u00e9muler un terminal \u00e0 distance.\n\nDeux vuln\u00e9rabilit\u00e9s de type d\u00e9bordement de m\u00e9moire peuvent \u00eatre\nexploit\u00e9es au travers des fonctions slc_add_reply() et env_opt_add().\nCes vuln\u00e9rabilit\u00e9s permettent \u00e0 un individu mal intentionn\u00e9 d\u0027ex\u00e9cuter\ndu code arbitraire \u00e0 distance, au moyen de r\u00e9ponses malicieusement\nconstitu\u00e9es.\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": "2005-03-13T00:00:00",
"last_revision_date": "2005-07-22T00:00:00",
"links": [
{
"title": "Bulletin de s\u00e9curit\u00e9 SUN #57755 du 29 mars 2005 :",
"url": "http://sunsolve.sun.com/search/document.do?assetkey=1-26-57755-1"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 Debian DSA-765 du 22 juillet 2005 :",
"url": "http://www.debian.org/security/2005/dsa-765"
},
{
"title": "Mise \u00e0 jour de s\u00e9curit\u00e9 pour Fedora Core 2 du 30 mars 2005 :",
"url": "http://download.fedora.redhat.com/pub/fedora/linux/core/updates/2/"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 Debian DSA-697 du 29 mars 2005 :",
"url": "http://www.debian.org/security/2005/dsa-697"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 Debian DSA-699 du 29 mars 2005 :",
"url": "http://www.debian.org/security/2005/dsa-699"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 RedHat RHSA-2005:330-06 du 30 mars 2005 :",
"url": "http://rhn.redhat.com/errata/RHSA-2005-330.html"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 RedHat RHSA-2005:327-10 du 28 mars 2005 :",
"url": "http://rhn.redhat.com/errata/RHSA-2005-327.html"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 FreeBSD SA-05:01.telnet du 28 mars 2005 :",
"url": "ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-05:01.telnet.asc"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 MIT krb5 Security Advisory 2005-001 du 28 mars 2005 :",
"url": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2005-001-telnet.txt"
},
{
"title": "Mise \u00e0 jour de s\u00e9curit\u00e9 pour Fedora Core 3 du 30 mars 2005 :",
"url": "http://download.fedora.redhat.com/pub/fedora/linux/core/updates/3/"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 Avaya ASA-2005-132 du 14 juin 2005 :",
"url": "http://support.avaya.com/elmodocs2/security/ASA-2005-132_RHSA-2005-327.pdf"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 Mandrake MDKSA-2005:061 du 29 mars 2005 :",
"url": "http://www.mandrakesoft.com/security/advisories?name=MDKSA-2005:061"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 Debian DSA-731 du 02 juin 2005 :",
"url": "http://www.debian.org/security/2005/dsa-731"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 221 d\u0027iDefense du 28 mars 2005 :",
"url": "http://www.idefense.com/application/poi/display?id=221\u0026type=vulnerabilities"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 220 d\u0027iDefense du 28 mars 2005 :",
"url": "http://www.idefense.com/application/poi/display?id=220\u0026type=vulnerabilities"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 Gentoo GLSA-200504-04 / telnet du 06 avril 2005 :",
"url": "http://www.gentoo.org/security/en/glsa/glsa-200504-04.xml"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 SuSE SUSE-SR:2005:009 du 29 mars 2005 :",
"url": "http://www.novell.com/linux/security/advisories/2005_09_sr.html"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 OpenBSD pour telnet du 30 mars 2005 :",
"url": "http://www.openbsd.org/errata.html#telnet"
}
],
"reference": "CERTA-2005-AVI-124",
"revisions": [
{
"description": "ajout de la r\u00e9f\u00e9rence au bulletin de s\u00e9curit\u00e9 Gentoo GLSA-200504-04.",
"revision_date": "2005-03-13T00:00:00.000000"
},
{
"description": "version initiale.",
"revision_date": "2005-03-30T00:00:00.000000"
},
{
"description": "ajout de la r\u00e9f\u00e9rence au bulletin de s\u00e9curit\u00e9 OpenBSD.",
"revision_date": "2005-03-31T00:00:00.000000"
},
{
"description": "ajout de la r\u00e9f\u00e9rence au bulletin de s\u00e9curit\u00e9 Debian DSA-731.",
"revision_date": "2005-06-02T00:00:00.000000"
},
{
"description": "ajout du bulletin de s\u00e9curit\u00e9 Avaya ASA-2005-132.",
"revision_date": "2005-06-17T00:00:00.000000"
},
{
"description": "ajout de la r\u00e9f\u00e9rence au bulletin de s\u00e9curit\u00e9 Debian DSA-765.",
"revision_date": "2005-07-22T00:00:00.000000"
}
],
"risks": [
{
"description": "Ex\u00e9cution de code arbitraire"
}
],
"summary": "Deux vuln\u00e9rabilit\u00e9s d\u00e9couvertes dans le client Telnet permettent \u00e0 un\nutilisateur mal intentionn\u00e9 d\u0027ex\u00e9cuter du code arbitraire \u00e0 distance sur\nle syst\u00e8me vuln\u00e9rable.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le client Telnet",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 US-CERT VU#291924 du 28 mars 2005",
"url": "http://www.kb.cert.org/vuls/id/291924"
}
]
}
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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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