{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-45237", "assignerOrgId": "65518388-201a-4f93-8712-366d21fe8d2c", "state": "PUBLISHED", "assignerShortName": "TianoCore", "dateReserved": "2023-10-05T20:48:19.879Z", "datePublished": "2024-01-16T16:11:11.556Z", "dateUpdated": "2024-08-02T20:14:19.957Z"}, "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": " \nEDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality.\n\n\n\n"}], "value": " \nEDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality.\n\n\n\n"}], "impacts": [{"capecId": "CAPEC-13", "descriptions": [{"lang": "en", "value": "CAPEC-13 Subverting Environment Variable Values"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-338", "description": "CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "65518388-201a-4f93-8712-366d21fe8d2c", "shortName": "TianoCore", "dateUpdated": "2024-01-16T16:11:11.556Z"}, "references": [{"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": "https://security.netapp.com/advisory/ntap-20240307-0011/"}], "source": {"discovery": "UNKNOWN"}, "title": "Use of a Weak PseudoRandom Number Generator in EDK II Network Package", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T20:14:19.957Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h", "tags": ["x_transferred"]}, {"url": "http://www.openwall.com/lists/oss-security/2024/01/16/2", "tags": ["x_transferred"]}, {"url": "https://security.netapp.com/advisory/ntap-20240307-0011/", "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": " \nEDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality.\n\n\n\n"}, {"lang": "es", "value": "EDK2's Network Package es susceptible a Initial Sequence Number TCP predecible. Un atacante puede aprovechar esta vulnerabilidad para obtener acceso no autorizado y potencialmente provocar una p\u00e9rdida de confidencialidad."}], "id": "CVE-2023-45237", "lastModified": "2024-03-07T17:15:10.760", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "infosec@edk2.groups.io", "type": "Secondary"}]}, "published": "2024-01-16T16:15:13.013", "references": [{"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://security.netapp.com/advisory/ntap-20240307-0011/"}], "sourceIdentifier": "infosec@edk2.groups.io", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-338"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-338"}], "source": "infosec@edk2.groups.io", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2024:5297", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "edk2-0:20220126gitbb1bba3d77-13.el8_10.2", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-08-13T00:00:00Z"}, {"advisory": "RHSA-2024:4749", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "edk2-0:20231122-6.el9_4.2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-07-23T00:00:00Z"}, {"advisory": "RHSA-2024:4419", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "edk2-0:20221207gitfff6d81270b5-9.el9_2.3", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-07-09T00:00:00Z"}], "bugzilla": {"description": "edk2: Use of a Weak PseudoRandom Number Generator", "id": "2258706", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2258706"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "status": "verified"}, "cwe": "CWE-338", "details": ["EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This\nvulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality.", "A security flaw has been identified in the cryptographic system of EDK2, the open-source reference implementation of the UEFI specification. This vulnerability enables an unauthorized remote attacker to potentially expose sensitive information."], "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-2023-45237", "public_date": "2024-01-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-45237\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-45237\nhttps://blog.quarkslab.com/pixiefail-nine-vulnerabilities-in-tianocores-edk-ii-ipv6-network-stack.html\nhttps://github.com/advisories/GHSA-fxqf-p2p3-gxvr"], "statement": "The identified flaw in the NetworkPkg IP stack within the EDK2, an open-source UEFI implementation, poses a moderate security concern as the vulnerability allows an unauthenticated attacker within the same local network to exploit via a specifically crafted Destination Options IPv6 header.", "threat_severity": "Moderate"}