CVE-2024-3183

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This key is different for each new session, which protects it from brute force attacks. However, the ticket it contains is encrypted using the target principal key directly. For user principals, this key is a hash of a public per-principal randomly-generated salt and the user\u2019s password.\r\n\r\nIf a principal is compromised it means the attacker would be able to retrieve tickets encrypted to any principal, all of them being encrypted by their own key directly. By taking these tickets and salts offline, the attacker could run brute force attacks to find character strings able to decrypt tickets when combined to a principal salt (i.e. find the principal\u2019s password)."}], "affected": [{"versions": [{"status": "unaffected", "version": "4.12.1", "versionType": "semver"}], "packageName": "freeipa", "collectionURL": "https://github.com/freeipa/freeipa", "defaultStatus": "unknown"}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ipa", "defaultStatus": "affected", "versions": [{"version": "0:4.6.8-5.el7_9.17", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/o:redhat:enterprise_linux:7::client", "cpe:/o:redhat:enterprise_linux:7::computenode", "cpe:/o:redhat:enterprise_linux:7::server", "cpe:/o:redhat:enterprise_linux:7::workstation"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", 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"x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2270685", "name": "RHBZ#2270685", "tags": ["issue-tracking", "x_refsource_REDHAT"]}, {"url": "https://www.freeipa.org/release-notes/4-12-1.html"}], "datePublic": "2024-06-10T00:00:00.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-916", "description": "Use of Password Hash With Insufficient Computational Effort", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-916: Use of Password Hash With Insufficient Computational Effort", "workarounds": [{"lang": "en", "value": "To mitigate this vulnerability, ticket requests to user principals are now disallowed in FreeIPA realms by default. This will keep attackers from obtaining data encrypted with the user key directly."}], "timeline": [{"lang": "en", "time": "2024-03-21T00:00:00.000Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2024-06-10T00:00:00.000Z", "value": "Made public."}], "credits": [{"lang": "en", "value": "Red Hat would like to thank Mikhail Sukhov for reporting this issue."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-11-04T21:11:46.482Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-06-12T13:41:24.168315Z", "id": "CVE-2024-3183", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-12T13:43:10.079Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-01T20:05:07.630Z"}, "title": "CVE Program Container", "references": [{"url": "https://access.redhat.com/errata/RHSA-2024:3754", "name": "RHSA-2024:3754", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://access.redhat.com/errata/RHSA-2024:3755", "name": "RHSA-2024:3755", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://access.redhat.com/errata/RHSA-2024:3756", "name": "RHSA-2024:3756", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://access.redhat.com/errata/RHSA-2024:3757", "name": "RHSA-2024:3757", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://access.redhat.com/errata/RHSA-2024:3758", "name": "RHSA-2024:3758", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://access.redhat.com/errata/RHSA-2024:3759", "name": "RHSA-2024:3759", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://access.redhat.com/errata/RHSA-2024:3760", "name": "RHSA-2024:3760", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://access.redhat.com/errata/RHSA-2024:3761", "name": "RHSA-2024:3761", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://access.redhat.com/errata/RHSA-2024:3775", "name": "RHSA-2024:3775", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://access.redhat.com/security/cve/CVE-2024-3183", "tags": ["vdb-entry", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2270685", "name": "RHBZ#2270685", "tags": ["issue-tracking", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://www.freeipa.org/release-notes/4-12-1.html", "tags": ["x_transferred"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WT3JL7JQDIAFKKEFARWYES7GZNWGQNCI/", "tags": ["x_transferred"]}]}]}, "dataVersion": "5.2"}

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Sin embargo, el ticket que contiene se cifra utilizando directamente la clave principal de destino. Para los usuarios principales, esta clave es un hash de un salt p\u00fablico generado aleatoriamente por principal y la contrase\u00f1a del usuario. Si un principal se ve comprometido, significa que el atacante podr\u00eda recuperar tickets cifrados para cualquier principal, y todos ellos estar\u00e1n cifrados directamente con su propia clave. 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"https://access.redhat.com/errata/RHSA-2024:3759"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/errata/RHSA-2024:3760"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/errata/RHSA-2024:3761"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/errata/RHSA-2024:3775"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2024-3183"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2270685"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WT3JL7JQDIAFKKEFARWYES7GZNWGQNCI/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://www.freeipa.org/release-notes/4-12-1.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-916"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank Mikhail Sukhov for reporting this issue.", "affected_release": [{"advisory": "RHSA-2024:3760", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "ipa-0:4.6.8-5.el7_9.17", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2024-06-10T00:00:00Z"}, {"advisory": "RHSA-2024:3755", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "idm:DL1-8100020240528133707.823393f5", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-06-10T00:00:00Z"}, {"advisory": "RHSA-2024:3758", "cpe": "cpe:/a:redhat:rhel_aus:8.2", "package": "idm:DL1-8020020240530191103.792f4060", "product_name": "Red Hat Enterprise Linux 8.2 Advanced Update Support", "release_date": "2024-06-10T00:00:00Z"}, {"advisory": "RHSA-2024:3756", "cpe": "cpe:/a:redhat:rhel_aus:8.4", "package": "idm:DL1-8040020240528055121.5b01ab7e", "product_name": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "release_date": "2024-06-10T00:00:00Z"}, {"advisory": "RHSA-2024:3756", "cpe": "cpe:/a:redhat:rhel_tus:8.4", "package": "idm:DL1-8040020240528055121.5b01ab7e", "product_name": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service", "release_date": "2024-06-10T00:00:00Z"}, {"advisory": "RHSA-2024:3756", "cpe": "cpe:/a:redhat:rhel_e4s:8.4", "package": "idm:DL1-8040020240528055121.5b01ab7e", "product_name": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions", "release_date": "2024-06-10T00:00:00Z"}, {"advisory": "RHSA-2024:3775", "cpe": "cpe:/a:redhat:rhel_aus:8.6", "package": "idm:DL1-8060020240530061719.ada582f1", "product_name": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support", "release_date": "2024-06-10T00:00:00Z"}, {"advisory": "RHSA-2024:3775", "cpe": "cpe:/a:redhat:rhel_tus:8.6", "package": "idm:DL1-8060020240530061719.ada582f1", "product_name": "Red Hat Enterprise Linux 8.6 Telecommunications Update Service", "release_date": "2024-06-10T00:00:00Z"}, {"advisory": "RHSA-2024:3775", "cpe": "cpe:/a:redhat:rhel_e4s:8.6", "package": "idm:DL1-8060020240530061719.ada582f1", "product_name": "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions", "release_date": "2024-06-10T00:00:00Z"}, {"advisory": "RHSA-2024:3759", "cpe": "cpe:/a:redhat:rhel_eus:8.8", "package": "idm:DL1-8080020240530051744.b0a6ceea", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-06-10T00:00:00Z"}, {"advisory": "RHSA-2024:3754", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "ipa-0:4.11.0-15.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-06-10T00:00:00Z"}, {"advisory": "RHSA-2024:3761", "cpe": "cpe:/a:redhat:rhel_eus:9.0", "package": "ipa-0:4.9.8-11.el9_0.3", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2024-06-10T00:00:00Z"}, {"advisory": "RHSA-2024:3757", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "ipa-0:4.10.1-12.el9_2.2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-06-10T00:00:00Z"}], "bugzilla": {"description": "freeipa: user can obtain a hash of the passwords of all domain users and perform offline brute force", "id": "2270685", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2270685"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "status": "verified"}, "cwe": "CWE-916", "details": ["A vulnerability was found in FreeIPA in a way when a Kerberos TGS-REQ is encrypted using the client\u2019s session key. This key is different for each new session, which protects it from brute force attacks. However, the ticket it contains is encrypted using the target principal key directly. For user principals, this key is a hash of a public per-principal randomly-generated salt and the user\u2019s password.\nIf a principal is compromised it means the attacker would be able to retrieve tickets encrypted to any principal, all of them being encrypted by their own key directly. By taking these tickets and salts offline, the attacker could run brute force attacks to find character strings able to decrypt tickets when combined to a principal salt (i.e. find the principal\u2019s password).", "A vulnerability was found in FreeIPA in a way when a Kerberos TGS-REQ is encrypted using the client\u2019s session key. This key is different for each new session, which protects it from brute force attacks. However, the ticket it contains is encrypted using the target principal key directly. For user principals, this key is a hash of a public per-principal randomly-generated salt and the user\u2019s password.\nIf a principal is compromised it means the attacker would be able to retrieve tickets encrypted to any principal, all of them being encrypted by their own key directly. By taking these tickets and salts offline, the attacker could run brute force attacks to find character strings able to decrypt tickets when combined to a principal salt (i.e. find the principal\u2019s password)."], "mitigation": {"lang": "en:us", "value": "To mitigate this vulnerability, ticket requests to user principals are now disallowed in FreeIPA realms by default. This will keep attackers from obtaining data encrypted with the user key directly."}, "name": "CVE-2024-3183", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "ipa", "product_name": "Red Hat Enterprise Linux 10"}], "public_date": "2024-06-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-3183\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-3183\nhttps://www.freeipa.org/release-notes/4-12-1.html"], "statement": "This kind of attacks primarily affect user principals, not service principals because their keys are usually generated randomly. But weak user passwords are particularly vulnerable to such attacks, especially if they are referenced in password dictionaries.", "threat_severity": "Important"}

{}