{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-34966", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2023-06-07T21:11:04.261Z", "datePublished": "2023-07-20T14:56:14.644Z", "dateUpdated": "2025-11-20T17:28:59.854Z" }, "containers": { "cna": { "title": "Samba: infinite loop in mdssvc rpc service for spotlight", "metrics": [ { "other": { "content": { "value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "format": "CVSS" } ], "descriptions": [ { "lang": "en", "value": "An infinite loop vulnerability was found in Samba's mdssvc RPC service for Spotlight. When parsing Spotlight mdssvc RPC packets sent by the client, the core unmarshalling function sl_unpack_loop() did not validate a field in the network packet that contains the count of elements in an array-like structure. By passing 0 as the count value, the attacked function will run in an endless loop consuming 100% CPU. This flaw allows an attacker to issue a malformed RPC request, triggering an infinite loop, resulting in a denial of service condition." } ], "affected": [ { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "samba", "defaultStatus": "affected", "versions": [ { "version": "0:4.18.6-1.el8", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:enterprise_linux:8::crb", "cpe:/a:redhat:enterprise_linux:8::appstream", "cpe:/o:redhat:enterprise_linux:8::baseos" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "samba", "defaultStatus": "affected", "versions": [ { "version": "0:4.18.6-1.el8", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:enterprise_linux:8::crb", "cpe:/a:redhat:enterprise_linux:8::appstream", "cpe:/o:redhat:enterprise_linux:8::baseos" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.6 Extended Update Support", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "samba", "defaultStatus": "affected", "versions": [ { "version": "0:4.15.5-15.el8_6", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/o:redhat:rhel_eus:8.6::baseos", "cpe:/a:redhat:rhel_eus:8.6::appstream", "cpe:/o:redhat:rhev_hypervisor:4.4::el8", "cpe:/a:redhat:rhel_eus:8.6::crb" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.8 Extended Update Support", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "samba", "defaultStatus": "affected", "versions": [ { "version": "0:4.17.5-5.el8_8", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:rhel_eus:8.8::appstream", "cpe:/o:redhat:rhel_eus:8.8::baseos", "cpe:/a:redhat:rhel_eus:8.8::crb" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "samba", "defaultStatus": "affected", "versions": [ { "version": "0:4.18.6-100.el9", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/o:redhat:enterprise_linux:9::baseos", "cpe:/a:redhat:enterprise_linux:9::appstream", "cpe:/a:redhat:enterprise_linux:9::crb", "cpe:/a:redhat:enterprise_linux:9::resilientstorage" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "samba", "defaultStatus": "affected", "versions": [ { "version": "0:4.18.6-100.el9", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/o:redhat:enterprise_linux:9::baseos", "cpe:/a:redhat:enterprise_linux:9::appstream", "cpe:/a:redhat:enterprise_linux:9::crb", "cpe:/a:redhat:enterprise_linux:9::resilientstorage" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.2 Extended Update Support", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "samba", "defaultStatus": "affected", "versions": [ { "version": "0:4.17.5-105.el9_2", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:rhel_eus:9.2::crb", "cpe:/a:redhat:rhel_eus:9.2::resilientstorage", "cpe:/o:redhat:rhel_eus:9.2::baseos", "cpe:/a:redhat:rhel_eus:9.2::appstream" ] }, { "vendor": "Red Hat", "product": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "samba", "defaultStatus": "affected", "versions": [ { "version": "0:4.15.5-15.el8_6", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/o:redhat:rhel_eus:8.6::baseos", "cpe:/a:redhat:rhel_eus:8.6::appstream", "cpe:/o:redhat:rhev_hypervisor:4.4::el8", "cpe:/a:redhat:rhel_eus:8.6::crb" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "samba", "defaultStatus": "unknown", "cpes": [ "cpe:/o:redhat:enterprise_linux:6" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "samba4", "defaultStatus": "unknown", "cpes": [ "cpe:/o:redhat:enterprise_linux:6" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "samba", "defaultStatus": "unknown", "cpes": [ "cpe:/o:redhat:enterprise_linux:7" ] }, { "vendor": "Red Hat", "product": "Red Hat Storage 3", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "samba", "defaultStatus": "unknown", "cpes": [ "cpe:/a:redhat:storage:3" ] } ], "references": [ { "url": "https://access.redhat.com/errata/RHSA-2023:6667", "name": "RHSA-2023:6667", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2023:7139", "name": "RHSA-2023:7139", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2024:0423", "name": "RHSA-2024:0423", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2024:0580", "name": "RHSA-2024:0580", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2024:4101", "name": "RHSA-2024:4101", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/security/cve/CVE-2023-34966", "tags": [ "vdb-entry", "x_refsource_REDHAT" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2222793", "name": "RHBZ#2222793", "tags": [ "issue-tracking", "x_refsource_REDHAT" ] }, { "url": "https://www.samba.org/samba/security/CVE-2023-34966" } ], "datePublic": "2023-07-19T00:00:00.000Z", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-835", "description": "Loop with Unreachable Exit Condition ('Infinite Loop')", "lang": "en", "type": "CWE" } ] } ], "x_redhatCweChain": "CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')", "workarounds": [ { "lang": "en", "value": "As a possible workaround, disable Spotlight by removing all configuration stanzas (\"spotlight=yes|true\") that enable Spotlight ." } ], "timeline": [ { "lang": "en", "time": "2023-07-13T00:00:00.000Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2023-07-19T00:00:00.000Z", "value": "Made public." } ], "providerMetadata": { "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2025-11-20T17:28:59.854Z" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T16:17:04.256Z" }, "title": "CVE Program Container", "references": [ { "url": "https://access.redhat.com/errata/RHSA-2023:6667", "name": "RHSA-2023:6667", "tags": [ "vendor-advisory", "x_refsource_REDHAT", "x_transferred" ] }, { "url": "https://access.redhat.com/errata/RHSA-2023:7139", "name": "RHSA-2023:7139", "tags": [ "vendor-advisory", "x_refsource_REDHAT", "x_transferred" ] }, { "url": "https://access.redhat.com/errata/RHSA-2024:0423", "name": "RHSA-2024:0423", "tags": [ "vendor-advisory", "x_refsource_REDHAT", "x_transferred" ] }, { "url": "https://access.redhat.com/errata/RHSA-2024:0580", "name": "RHSA-2024:0580", "tags": [ "vendor-advisory", "x_refsource_REDHAT", "x_transferred" ] }, { "url": "https://access.redhat.com/errata/RHSA-2024:4101", "name": "RHSA-2024:4101", "tags": [ "vendor-advisory", "x_refsource_REDHAT", "x_transferred" ] }, { "url": "https://access.redhat.com/security/cve/CVE-2023-34966", "tags": [ "vdb-entry", "x_refsource_REDHAT", "x_transferred" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2222793", "name": "RHBZ#2222793", "tags": [ "issue-tracking", "x_refsource_REDHAT", "x_transferred" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BPCSGND7LO467AJGR5DYBGZLTCGTOBCC/", "tags": [ "x_transferred" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OT74M42E6C36W7PQVY3OS4ZM7DVYB64Z/", "tags": [ "x_transferred" ] }, { "url": "https://security.netapp.com/advisory/ntap-20230731-0010/", "tags": [ "x_transferred" ] }, { "url": "https://www.debian.org/security/2023/dsa-5477", "tags": [ "x_transferred" ] }, { "url": "https://www.samba.org/samba/security/CVE-2023-34966", "tags": [ "x_transferred" ] } ] } ] } }