{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-45234", "assignerOrgId": "65518388-201a-4f93-8712-366d21fe8d2c", "state": "PUBLISHED", "assignerShortName": "TianoCore", "dateReserved": "2023-10-05T20:48:19.879Z", "datePublished": "2024-01-16T16:14:28.209Z", "dateUpdated": "2024-08-02T20:14:19.990Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "edk2", "vendor": "TianoCore", "versions": [{"status": "affected", "version": "edk2-stable202308"}]}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Quarkslab Vulnerability Reports Team"}, {"lang": "en", "type": "remediation developer", "user": "00000000-0000-4000-9000-000000000000", "value": "Doug Flick"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": " EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality, Integrity and/or Availability.\n\n"}], "value": " EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality, Integrity and/or Availability.\n\n"}], "impacts": [{"capecId": "CAPEC-540", "descriptions": [{"lang": "en", "value": "CAPEC-540 Overread Buffers"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-119", "description": "CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "65518388-201a-4f93-8712-366d21fe8d2c", "shortName": "TianoCore", "dateUpdated": "2024-01-16T16:14:28.209Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h"}, {"url": "http://www.openwall.com/lists/oss-security/2024/01/16/2"}, {"url": "http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html"}, {"url": "https://security.netapp.com/advisory/ntap-20240307-0011/"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/"}], "source": {"discovery": "UNKNOWN"}, "title": "Buffer Overflow in EDK II Network Package", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T20:14:19.990Z"}, "title": "CVE Program Container", "references": [{"tags": ["vendor-advisory", "x_transferred"], "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h"}, {"url": "http://www.openwall.com/lists/oss-security/2024/01/16/2", "tags": ["x_transferred"]}, {"url": "http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html", "tags": ["x_transferred"]}, {"url": "https://security.netapp.com/advisory/ntap-20240307-0011/", "tags": ["x_transferred"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/", "tags": ["x_transferred"]}]}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:*", "matchCriteriaId": "3CEB3105-57CC-4096-81D3-D58005813C4B", "versionEndIncluding": "202311", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": " EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality, Integrity and/or Availability.\n\n"}, {"lang": "es", "value": "EDK2's Network Package es susceptible a una vulnerabilidad de desbordamiento de b\u00fafer al procesar la opci\u00f3n de servidores DNS desde un mensaje de publicidad DHCPv6. Un atacante puede aprovechar esta vulnerabilidad para obtener acceso no autorizado y potencialmente provocar una p\u00e9rdida de confidencialidad, integridad y/o disponibilidad."}], "id": "CVE-2023-45234", "lastModified": "2024-03-13T02:15:50.513", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.5, "source": "infosec@edk2.groups.io", "type": "Secondary"}]}, "published": "2024-01-16T16:15:12.460", "references": [{"source": "infosec@edk2.groups.io", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html"}, {"source": "infosec@edk2.groups.io", "tags": ["Mailing List"], "url": "http://www.openwall.com/lists/oss-security/2024/01/16/2"}, {"source": "infosec@edk2.groups.io", "tags": ["Vendor Advisory"], "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h"}, {"source": "infosec@edk2.groups.io", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/"}, {"source": "infosec@edk2.groups.io", "url": "https://security.netapp.com/advisory/ntap-20240307-0011/"}], "sourceIdentifier": "infosec@edk2.groups.io", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-119"}], "source": "infosec@edk2.groups.io", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2024:1063", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "edk2-0:20220126gitbb1bba3d77-6.el8_9.6", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-03-04T00:00:00Z"}, {"advisory": "RHSA-2024:1722", "cpe": "cpe:/a:redhat:rhel_aus:8.2", "package": "edk2-0:20190829git37eef91017ad-9.el8_2.4", "product_name": "Red Hat Enterprise Linux 8.2 Advanced Update Support", "release_date": "2024-04-09T00:00:00Z"}, {"advisory": "RHSA-2024:1722", "cpe": "cpe:/a:redhat:rhel_tus:8.2", "package": "edk2-0:20190829git37eef91017ad-9.el8_2.4", "product_name": "Red Hat Enterprise Linux 8.2 Telecommunications Update Service", "release_date": "2024-04-09T00:00:00Z"}, {"advisory": "RHSA-2024:1722", "cpe": "cpe:/a:redhat:rhel_e4s:8.2", "package": "edk2-0:20190829git37eef91017ad-9.el8_2.4", "product_name": "Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions", "release_date": "2024-04-09T00:00:00Z"}, {"advisory": "RHSA-2024:1305", "cpe": "cpe:/a:redhat:rhel_aus:8.4", "package": "edk2-0:20200602gitca407c7246bf-4.el8_4.5", "product_name": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "release_date": "2024-03-13T00:00:00Z"}, {"advisory": "RHSA-2024:1305", "cpe": "cpe:/a:redhat:rhel_tus:8.4", "package": "edk2-0:20200602gitca407c7246bf-4.el8_4.5", "product_name": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service", "release_date": "2024-03-13T00:00:00Z"}, {"advisory": "RHSA-2024:1305", "cpe": "cpe:/a:redhat:rhel_e4s:8.4", "package": "edk2-0:20200602gitca407c7246bf-4.el8_4.5", "product_name": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions", "release_date": "2024-03-13T00:00:00Z"}, {"advisory": "RHSA-2024:3497", "cpe": "cpe:/a:redhat:rhel_eus:8.6", "package": "edk2-0:20220126gitbb1bba3d77-2.el8_6.4", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2024-05-30T00:00:00Z"}, {"advisory": "RHSA-2024:1415", "cpe": "cpe:/a:redhat:rhel_eus:8.8", "package": "edk2-0:20220126gitbb1bba3d77-4.el8_8.3", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-03-19T00:00:00Z"}, {"advisory": "RHSA-2024:1075", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "edk2-0:20230524-4.el9_3.2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-03-05T00:00:00Z"}, {"advisory": "RHSA-2024:1077", "cpe": "cpe:/a:redhat:rhel_eus:9.0", "package": "edk2-0:20220126gitbb1bba3d77-3.el9_0.4", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2024-03-05T00:00:00Z"}, {"advisory": "RHSA-2024:1076", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "edk2-0:20221207gitfff6d81270b5-9.el9_2.2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-03-05T00:00:00Z"}], "bugzilla": {"description": "edk2: Buffer overflow when processing DNS Servers option in a DHCPv6 Advertise message", "id": "2258697", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2258697"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-119", "details": ["EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. This\nvulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality, Integrity and/or Availability.", "A security weakness was identified in EDK2, the open-source reference implementation of the UEFI specification, revealing a buffer overflow vulnerability. This vulnerability enables an unauthorized attacker within proximity on the network to transmit a specifically crafted DHCPv6 Advertise message. As a consequence, it results in the unauthorized disclosure of information and jeopardizes the availability of the system."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2023-45234", "public_date": "2024-01-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-45234\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-45234\nhttps://blog.quarkslab.com/pixiefail-nine-vulnerabilities-in-tianocores-edk-ii-ipv6-network-stack.html\nhttps://github.com/advisories/GHSA-mrjv-p9q7-rxgr"], "statement": "The discovery of a buffer overflow vulnerability in EDK2, the open-source UEFI implementation, is a significant issue due to its potential impact on system security. This flaw allows an attacker to exploit the system's vulnerability through a specially crafted DHCPv6 Advertise message, leading to unauthorized access, information leakage, and potential compromise of system availability.", "threat_severity": "Important"}