{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2010-11-30T00:00:00", "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.\""}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-10-10T18:57:01", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "ADV-2010-3094", "tags": ["vdb-entry", "x_refsource_VUPEN"], "url": "http://www.vupen.com/english/advisories/2010/3094"}, {"name": "MDVSA-2010:246", "tags": ["vendor-advisory", "x_refsource_MANDRIVA"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2010:246"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://kb.vmware.com/kb/1035108"}, {"name": "ADV-2010-3118", "tags": ["vdb-entry", "x_refsource_VUPEN"], "url": "http://www.vupen.com/english/advisories/2010/3118"}, {"name": "20101130 MITKRB5-SA-2010-007 Multiple checksum handling vulnerabilities [CVE-2010-1324 CVE-2010-1323 CVE-2010-4020 CVE-2010-4021]", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://www.securityfocus.com/archive/1/514953/100/0/threaded"}, {"name": "SUSE-SR:2010:023", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.html"}, {"name": "69607", "tags": ["vdb-entry", "x_refsource_OSVDB"], "url": "http://osvdb.org/69607"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.vmware.com/security/advisories/VMSA-2011-0007.html"}, {"name": "APPLE-SA-2011-03-21-1", "tags": ["vendor-advisory", "x_refsource_APPLE"], "url": "http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txt"}, {"name": "45122", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/45122"}, {"name": "[security-announce] 20110428 VMSA-2011-0007 VMware ESXi and ESX Denial of Service and third party updates for Likewise components and ESX Service Console", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://lists.vmware.com/pipermail/security-announce/2011/000133.html"}, {"name": "1024803", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id?1024803"}, {"name": "20110428 VMSA-2011-0007 VMware ESXi and ESX Denial of Service and third party updates for Likewise components and ESX Service Console", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://www.securityfocus.com/archive/1/517739/100/0/threaded"}, {"name": "SUSE-SR:2010:024", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html"}, {"name": "USN-1030-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-1030-1"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://support.apple.com/kb/HT4581"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2010-4021", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "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.\""}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "ADV-2010-3094", "refsource": "VUPEN", "url": "http://www.vupen.com/english/advisories/2010/3094"}, {"name": "MDVSA-2010:246", "refsource": "MANDRIVA", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2010:246"}, {"name": "http://kb.vmware.com/kb/1035108", "refsource": "CONFIRM", "url": "http://kb.vmware.com/kb/1035108"}, {"name": "ADV-2010-3118", "refsource": "VUPEN", "url": "http://www.vupen.com/english/advisories/2010/3118"}, {"name": "20101130 MITKRB5-SA-2010-007 Multiple checksum handling vulnerabilities [CVE-2010-1324 CVE-2010-1323 CVE-2010-4020 CVE-2010-4021]", "refsource": "BUGTRAQ", "url": "http://www.securityfocus.com/archive/1/514953/100/0/threaded"}, {"name": "SUSE-SR:2010:023", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.html"}, {"name": "69607", "refsource": "OSVDB", "url": "http://osvdb.org/69607"}, {"name": "http://www.vmware.com/security/advisories/VMSA-2011-0007.html", "refsource": "CONFIRM", "url": "http://www.vmware.com/security/advisories/VMSA-2011-0007.html"}, {"name": "APPLE-SA-2011-03-21-1", "refsource": "APPLE", "url": "http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html"}, {"name": "http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txt", "refsource": "CONFIRM", "url": "http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txt"}, {"name": "45122", "refsource": "BID", "url": "http://www.securityfocus.com/bid/45122"}, {"name": "[security-announce] 20110428 VMSA-2011-0007 VMware ESXi and ESX Denial of Service and third party updates for Likewise components and ESX Service Console", "refsource": "MLIST", "url": "http://lists.vmware.com/pipermail/security-announce/2011/000133.html"}, {"name": "1024803", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id?1024803"}, {"name": "20110428 VMSA-2011-0007 VMware ESXi and ESX Denial of Service and third party updates for Likewise components and ESX Service Console", "refsource": "BUGTRAQ", "url": "http://www.securityfocus.com/archive/1/517739/100/0/threaded"}, {"name": "SUSE-SR:2010:024", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html"}, {"name": "USN-1030-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-1030-1"}, {"name": "http://support.apple.com/kb/HT4581", "refsource": "CONFIRM", "url": "http://support.apple.com/kb/HT4581"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-07T03:26:12.376Z"}, "title": "CVE Program Container", "references": [{"name": "ADV-2010-3094", "tags": ["vdb-entry", "x_refsource_VUPEN", "x_transferred"], "url": "http://www.vupen.com/english/advisories/2010/3094"}, {"name": "MDVSA-2010:246", "tags": ["vendor-advisory", "x_refsource_MANDRIVA", "x_transferred"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2010:246"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://kb.vmware.com/kb/1035108"}, {"name": "ADV-2010-3118", "tags": ["vdb-entry", "x_refsource_VUPEN", "x_transferred"], "url": "http://www.vupen.com/english/advisories/2010/3118"}, {"name": "20101130 MITKRB5-SA-2010-007 Multiple checksum handling vulnerabilities [CVE-2010-1324 CVE-2010-1323 CVE-2010-4020 CVE-2010-4021]", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://www.securityfocus.com/archive/1/514953/100/0/threaded"}, {"name": "SUSE-SR:2010:023", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.html"}, {"name": "69607", "tags": ["vdb-entry", "x_refsource_OSVDB", "x_transferred"], "url": "http://osvdb.org/69607"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.vmware.com/security/advisories/VMSA-2011-0007.html"}, {"name": "APPLE-SA-2011-03-21-1", "tags": ["vendor-advisory", "x_refsource_APPLE", "x_transferred"], "url": "http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txt"}, {"name": "45122", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/45122"}, {"name": "[security-announce] 20110428 VMSA-2011-0007 VMware ESXi and ESX Denial of Service and third party updates for Likewise components and ESX Service Console", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://lists.vmware.com/pipermail/security-announce/2011/000133.html"}, {"name": "1024803", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id?1024803"}, {"name": "20110428 VMSA-2011-0007 VMware ESXi and ESX Denial of Service and third party updates for Likewise components and ESX Service Console", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://www.securityfocus.com/archive/1/517739/100/0/threaded"}, {"name": "SUSE-SR:2010:024", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html"}, {"name": "USN-1030-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-1030-1"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://support.apple.com/kb/HT4581"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2010-4021", "datePublished": "2010-12-02T16:00:00", "dateReserved": "2010-10-20T00:00:00", "dateUpdated": "2024-08-07T03:26:12.376Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"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 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\""}], "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"}]}

{"acknowledgement": "Red Hat would like to thank MIT Kerberos Team for reporting this issue.", "bugzilla": {"description": "krb5: KDC may issue unrequested tickets due to KrbFastReq forgery (MITKRB5-SA-2010-007)", "id": "648736", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=648736"}, "csaw": false, "cvss": {"cvss_base_score": "2.1", "cvss_scoring_vector": "AV:N/AC:H/Au:S/C:N/I:P/A:N", "status": "draft"}, "details": ["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.\""], "name": "CVE-2010-4021", "public_date": "2010-11-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2010-4021\nhttps://nvd.nist.gov/vuln/detail/CVE-2010-4021"], "statement": "Not vulnerable. This issue did not affect the versions of krb5 as shipped with Red Hat Enterprise Linux 4, 5, or 6.", "threat_severity": "Low"}