CVE-2010-4021 (GCVE-0-2010-4021)

Vulnerability from cvelistv5 – Published: 2010-12-02 16:00 – Updated: 2024-08-07 03:26
VLAI?
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."
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Date Public ?
2010-11-30 00:00
Show details on NVD website
To clipboard 

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    "nvd": "{\"cve\":{\"id\":\"CVE-2010-4021\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2010-12-02T16:22:21.240\",\"lastModified\":\"2026-04-29T01:13:23.040\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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.\\\"\"},{\"lang\":\"es\",\"value\":\"El Centro de distribuci\u00f3n de claves (KDC) en MIT Kerberos 5 (tambi\u00e9n conocido como krb5) v1.7 no restringe correctamente el uso de credenciales TGT para proteger solicitudes  TGS, lo que podr\u00eda permitir a usuarios remotos autenticados suplantar a un cliente mediante la reescritura de una solicitud interior, tambi\u00e9n conocido como \\\" falsificaci\u00f3n KrbFastReq\\\"\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:H/Au:S/C:N/I:P/A:N\",\"baseScore\":2.1,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"HIGH\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":3.9,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-16\"},{\"lang\":\"en\",\"value\":\"CWE-264\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mit:kerberos_5:1.7:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DFB1190E-BE7A-4C6B-862D-D5747C64E980\"}]}]}],\"references\":[{\"url\":\"http://kb.vmware.com/kb/1035108\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://lists.vmware.com/pipermail/security-announce/2011/000133.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://osvdb.org/69607\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://support.apple.com/kb/HT4581\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txt\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://www.mandriva.com/security/advisories?name=MDVSA-2010:246\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.securityfocus.com/archive/1/514953/100/0/threaded\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.securityfocus.com/archive/1/517739/100/0/threaded\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.securityfocus.com/bid/45122\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.securitytracker.com/id?1024803\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.ubuntu.com/usn/USN-1030-1\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.vmware.com/security/advisories/VMSA-2011-0007.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.vupen.com/english/advisories/2010/3094\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.vupen.com/english/advisories/2010/3118\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://kb.vmware.com/kb/1035108\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.vmware.com/pipermail/security-announce/2011/000133.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://osvdb.org/69607\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://support.apple.com/kb/HT4581\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txt\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://www.mandriva.com/security/advisories?name=MDVSA-2010:246\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securityfocus.com/archive/1/514953/100/0/threaded\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securityfocus.com/archive/1/517739/100/0/threaded\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securityfocus.com/bid/45122\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securitytracker.com/id?1024803\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.ubuntu.com/usn/USN-1030-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.vmware.com/security/advisories/VMSA-2011-0007.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.vupen.com/english/advisories/2010/3094\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.vupen.com/english/advisories/2010/3118\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.



Detection rules are retrieved from Rulezet.