{"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": "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."}], "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"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html"}, {"name": "MDVSA-2010:246", "tags": ["vendor-advisory", "x_refsource_MANDRIVA"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2010:246"}, {"name": "FEDORA-2010-18425", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2010-December/051999.html"}, {"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"}, {"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": "ADV-2010-3095", "tags": ["vdb-entry", "x_refsource_VUPEN"], "url": "http://www.vupen.com/english/advisories/2010/3095"}, {"name": "42399", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/42399"}, {"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": "FEDORA-2010-18409", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2010-December/051976.html"}, {"name": "SUSE-SR:2010:024", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html"}, {"name": "RHSA-2010:0925", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "http://www.redhat.com/support/errata/RHSA-2010-0925.html"}, {"name": "USN-1030-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-1030-1"}, {"name": "69608", "tags": ["vdb-entry", "x_refsource_OSVDB"], "url": "http://osvdb.org/69608"}, {"name": "45117", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/45117"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://support.apple.com/kb/HT4581"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2010-4020", "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": "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."}]}, "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": "http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html", "refsource": "CONFIRM", "url": "http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html"}, {"name": "MDVSA-2010:246", "refsource": "MANDRIVA", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2010:246"}, {"name": "FEDORA-2010-18425", "refsource": "FEDORA", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2010-December/051999.html"}, {"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": "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": "ADV-2010-3095", "refsource": "VUPEN", "url": "http://www.vupen.com/english/advisories/2010/3095"}, {"name": "42399", "refsource": "SECUNIA", "url": "http://secunia.com/advisories/42399"}, {"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": "FEDORA-2010-18409", "refsource": "FEDORA", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2010-December/051976.html"}, {"name": "SUSE-SR:2010:024", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html"}, {"name": "RHSA-2010:0925", "refsource": "REDHAT", "url": "http://www.redhat.com/support/errata/RHSA-2010-0925.html"}, {"name": "USN-1030-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-1030-1"}, {"name": "69608", "refsource": "OSVDB", "url": "http://osvdb.org/69608"}, {"name": "45117", "refsource": "BID", "url": "http://www.securityfocus.com/bid/45117"}, {"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": "2024-08-07T03:26:12.249Z"}, "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"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html"}, {"name": "MDVSA-2010:246", "tags": ["vendor-advisory", "x_refsource_MANDRIVA", "x_transferred"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2010:246"}, {"name": "FEDORA-2010-18425", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2010-December/051999.html"}, {"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"}, {"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": "ADV-2010-3095", "tags": ["vdb-entry", "x_refsource_VUPEN", "x_transferred"], "url": "http://www.vupen.com/english/advisories/2010/3095"}, {"name": "42399", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/42399"}, {"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": "FEDORA-2010-18409", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2010-December/051976.html"}, {"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": "RHSA-2010:0925", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "http://www.redhat.com/support/errata/RHSA-2010-0925.html"}, {"name": "USN-1030-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-1030-1"}, {"name": "69608", "tags": ["vdb-entry", "x_refsource_OSVDB", "x_transferred"], "url": "http://osvdb.org/69608"}, {"name": "45117", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/45117"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://support.apple.com/kb/HT4581"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2010-4020", "datePublished": "2010-12-02T16:00:00", "dateReserved": "2010-10-20T00:00:00", "dateUpdated": "2024-08-07T03:26:12.249Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mit:kerberos_5:1.8:*:*:*:*:*:*:*", "matchCriteriaId": "36823B2B-5C72-4FF3-9301-FB263EB8CE09", "vulnerable": true}, {"criteria": "cpe:2.3:a:mit:kerberos_5:1.8.1:*:*:*:*:*:*:*", "matchCriteriaId": "59AFA33E-FEBC-45F5-9EC6-8AA363163FB5", "vulnerable": true}, {"criteria": "cpe:2.3:a:mit:kerberos_5:1.8.2:*:*:*:*:*:*:*", "matchCriteriaId": "04D83332-B2FD-4E86-A76C-C3F1CD3B3A31", "vulnerable": true}, {"criteria": "cpe:2.3:a:mit:kerberos_5:1.8.3:*:*:*:*:*:*:*", "matchCriteriaId": "758A0011-20ED-414A-9DF3-50A161DF8BC2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "MIT Kerberos 5 (tambi\u00e9n conocido como krb5) v1.8.x hasta v1.8.3 no rechaza las sumas de comprobaci\u00f3n RC4 (clave de derivaci\u00f3n), lo que podr\u00eda permitir a usuarios remotos autenticados falsificar un (1) AD-SIGNEDPATH o (2) la firma AD-KDC-ISSUED, y posiblemente obtener privilegios, aprovechando el espacio de claves peque\u00f1as que resultan de ciertas operaciones de cifrado de flujo de un byte (one-byte)."}], "id": "CVE-2010-4020", "lastModified": "2025-04-11T00:51:21.963", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 3.5, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 3.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2010-12-02T16:22:21.207", "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.fedoraproject.org/pipermail/package-announce/2010-December/051976.html"}, {"source": "cve@mitre.org", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2010-December/051999.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/69608"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/42399"}, {"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", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html"}, {"source": "cve@mitre.org", "url": "http://www.redhat.com/support/errata/RHSA-2010-0925.html"}, {"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/45117"}, {"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/2010/3095"}, {"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.fedoraproject.org/pipermail/package-announce/2010-December/051976.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2010-December/051999.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/69608"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/42399"}, {"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", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.redhat.com/support/errata/RHSA-2010-0925.html"}, {"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/45117"}, {"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/2010/3095"}, {"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-310"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank MIT Kerberos Team for reporting this issue.", "affected_release": [{"advisory": "RHSA-2010:0925", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "krb5-0:1.8.2-3.el6_0.3", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2010-11-30T00:00:00Z"}], "bugzilla": {"description": "krb5: krb5 may accept authdata checksums with low-entropy derived keys (MITKRB5-SA-2010-007)", "id": "648735", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=648735"}, "csaw": false, "cvss": {"cvss_base_score": "3.5", "cvss_scoring_vector": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "status": "verified"}, "details": ["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."], "name": "CVE-2010-4020", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "krb5", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2010-11-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2010-4020\nhttps://nvd.nist.gov/vuln/detail/CVE-2010-4020"], "statement": "This issue did not affect the versions of krb5 as shipped with Red Hat Enterprise Linux 3, 4 and 5.", "threat_severity": "Moderate"}