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CERTA-2010-AVI-571
Vulnerability from certfr_avis
Plusieurs vulnérabilités dans le logiciel Kerberos permettent à un utilisateur malveillant de contourner la politique de sécurité.
Description
Plusieurs vulnérabilités sont présentes dans le logiciel Kerberos :
- un client Kerberos peut accepter des checksums sans clef ou avec une clef à entropie trop faible ;
- une application peut également accepter des checksums sans clef ou avec une clef à entropie trop faible.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Kerberos 5.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\u003eKerberos 5.x.\u003c/p\u003e",
"content": "## Description\n\nPlusieurs vuln\u00e9rabilit\u00e9s sont pr\u00e9sentes dans le logiciel Kerberos\u00a0:\n\n- un client Kerberos peut accepter des checksums sans clef ou avec une\n clef \u00e0 entropie trop faible\u00a0;\n- une application peut \u00e9galement accepter des checksums sans clef ou\n avec une clef \u00e0 entropie trop faible.\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": [
{
"name": "CVE-2010-4020",
"url": "https://www.cve.org/CVERecord?id=CVE-2010-4020"
},
{
"name": "CVE-2010-4021",
"url": "https://www.cve.org/CVERecord?id=CVE-2010-4021"
},
{
"name": "CVE-2010-1324",
"url": "https://www.cve.org/CVERecord?id=CVE-2010-1324"
},
{
"name": "CVE-2010-1323",
"url": "https://www.cve.org/CVERecord?id=CVE-2010-1323"
}
],
"initial_release_date": "2010-12-01T00:00:00",
"last_revision_date": "2010-12-02T00:00:00",
"links": [
{
"title": "Bulletin de s\u00e9curit\u00e9 RedHat RHSA-2010:0926 du 30 novembre 2010 :",
"url": "http://rhn.redhat.com/errata/RHSA-2010-0926.html"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 Debian DSA-2129 du 01 d\u00e9cembre 2010 :",
"url": "http://www.debian.org/security/2010/dsa-2129"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 Kerberos MITKRB5-SA-2010-007 du 30 novembre 2010 :",
"url": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2010-007.txt"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 RedHat RHSA-2010:0925 du 30 novembre 2010 :",
"url": "http://rhn.redhat.com/errata/RHSA-2010-0925.html"
}
],
"reference": "CERTA-2010-AVI-571",
"revisions": [
{
"description": "version initiale.",
"revision_date": "2010-12-01T00:00:00.000000"
},
{
"description": "ajout de la r\u00e9f\u00e9rence au bulletin de s\u00e9curit\u00e9 Debian.",
"revision_date": "2010-12-02T00:00:00.000000"
}
],
"risks": [
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
}
],
"summary": "Plusieurs vuln\u00e9rabilit\u00e9s dans le logiciel Kerberos permettent \u00e0 un\nutilisateur malveillant de contourner la politique de s\u00e9curit\u00e9.\n",
"title": "Vuln\u00e9rabilit\u00e9s dans Kerberos",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Kerberos MITKRB5-SA-2010-007 du 30 novembre 2010",
"url": null
}
]
}
CVE-2010-1324 (GCVE-0-2010-1324)
Vulnerability from cvelistv5
Published
2010-12-02 16:00
Modified
2024-08-07 01:21
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
MIT Kerberos 5 (aka krb5) 1.7.x and 1.8.x through 1.8.3 does not properly determine the acceptability of checksums, which might allow remote attackers to forge GSS tokens, gain privileges, or have unspecified other impact via (1) an unkeyed checksum, (2) an unkeyed PAC checksum, or (3) a KrbFastArmoredReq checksum based on an RC4 key.
References
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CVE-2010-4021 (GCVE-0-2010-4021)
Vulnerability from cvelistv5
Published
2010-12-02 16:00
Modified
2024-08-07 03:26
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 does not properly restrict the use of TGT credentials for armoring TGS requests, which might allow remote authenticated users to impersonate a client by rewriting an inner request, aka a "KrbFastReq forgery issue."
References
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CVE-2010-1323 (GCVE-0-2010-1323)
Vulnerability from cvelistv5
Published
2010-12-02 16:00
Modified
2024-08-07 01:21
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
MIT Kerberos 5 (aka krb5) 1.3.x, 1.4.x, 1.5.x, 1.6.x, 1.7.x, and 1.8.x through 1.8.3 does not properly determine the acceptability of checksums, which might allow remote attackers to modify user-visible prompt text, modify a response to a Key Distribution Center (KDC), or forge a KRB-SAFE message via certain checksums that (1) are unkeyed or (2) use RC4 keys.
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2010-4020 (GCVE-0-2010-4020)
Vulnerability from cvelistv5
Published
2010-12-02 16:00
Modified
2024-08-07 03:26
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
MIT Kerberos 5 (aka krb5) 1.8.x through 1.8.3 does not reject RC4 key-derivation checksums, which might allow remote authenticated users to forge a (1) AD-SIGNEDPATH or (2) AD-KDC-ISSUED signature, and possibly gain privileges, by leveraging the small key space that results from certain one-byte stream-cipher operations.
References
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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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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