fkie_cve-2010-4021
Vulnerability from fkie_nvd
Published
2010-12-02 16:22
Modified
2025-04-11 00:51
Severity ?
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
cve@mitre.orghttp://kb.vmware.com/kb/1035108
cve@mitre.orghttp://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.html
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html
cve@mitre.orghttp://lists.vmware.com/pipermail/security-announce/2011/000133.html
cve@mitre.orghttp://osvdb.org/69607
cve@mitre.orghttp://support.apple.com/kb/HT4581
cve@mitre.orghttp://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txtVendor Advisory
cve@mitre.orghttp://www.mandriva.com/security/advisories?name=MDVSA-2010:246
cve@mitre.orghttp://www.securityfocus.com/archive/1/514953/100/0/threaded
cve@mitre.orghttp://www.securityfocus.com/archive/1/517739/100/0/threaded
cve@mitre.orghttp://www.securityfocus.com/bid/45122
cve@mitre.orghttp://www.securitytracker.com/id?1024803
cve@mitre.orghttp://www.ubuntu.com/usn/USN-1030-1
cve@mitre.orghttp://www.vmware.com/security/advisories/VMSA-2011-0007.html
cve@mitre.orghttp://www.vupen.com/english/advisories/2010/3094
cve@mitre.orghttp://www.vupen.com/english/advisories/2010/3118
af854a3a-2127-422b-91ae-364da2661108http://kb.vmware.com/kb/1035108
af854a3a-2127-422b-91ae-364da2661108http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html
af854a3a-2127-422b-91ae-364da2661108http://lists.vmware.com/pipermail/security-announce/2011/000133.html
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/69607
af854a3a-2127-422b-91ae-364da2661108http://support.apple.com/kb/HT4581
af854a3a-2127-422b-91ae-364da2661108http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txtVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.mandriva.com/security/advisories?name=MDVSA-2010:246
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/514953/100/0/threaded
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/517739/100/0/threaded
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/45122
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1024803
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-1030-1
af854a3a-2127-422b-91ae-364da2661108http://www.vmware.com/security/advisories/VMSA-2011-0007.html
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2010/3094
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2010/3118
Impacted products
Vendor Product Version
mit kerberos_5 1.7


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:mit:kerberos_5:1.7:*:*:*:*:*:*:*",
                     matchCriteriaId: "DFB1190E-BE7A-4C6B-862D-D5747C64E980",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   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 distribución de claves (KDC) en MIT Kerberos 5 (también conocido como krb5) v1.7 no restringe correctamente el uso de credenciales TGT para proteger solicitudes  TGS, lo que podría permitir a usuarios remotos autenticados suplantar a un cliente mediante la reescritura de una solicitud interior, también conocido como \" falsificación KrbFastReq\"",
      },
   ],
   id: "CVE-2010-4021",
   lastModified: "2025-04-11T00:51:21.963",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "LOW",
            cvssData: {
               accessComplexity: "HIGH",
               accessVector: "NETWORK",
               authentication: "SINGLE",
               availabilityImpact: "NONE",
               baseScore: 2.1,
               confidentialityImpact: "NONE",
               integrityImpact: "PARTIAL",
               vectorString: "AV:N/AC:H/Au:S/C:N/I:P/A:N",
               version: "2.0",
            },
            exploitabilityScore: 3.9,
            impactScore: 2.9,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
   },
   published: "2010-12-02T16:22:21.240",
   references: [
      {
         source: "cve@mitre.org",
         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",
         tags: [
            "Vendor Advisory",
         ],
         url: "http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txt",
      },
      {
         source: "cve@mitre.org",
         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: "af854a3a-2127-422b-91ae-364da2661108",
         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",
         tags: [
            "Vendor Advisory",
         ],
         url: "http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txt",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         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",
      },
   ],
   sourceIdentifier: "cve@mitre.org",
   vulnStatus: "Deferred",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-16",
            },
            {
               lang: "en",
               value: "CWE-264",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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