{"dataType": "CVE_RECORD", "dataVersion": "5.0", "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": "2024-01-16T16:11:11.556Z"}, "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"}}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:*", "matchCriteriaId": "3CEB3105-57CC-4096-81D3-D58005813C4B", "versionEndIncluding": "202311", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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"}]}

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