CVE-2020-26142

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in the kernel in OpenBSD 6.6. The WEP, WPA, WPA2, and WPA3 implementations treat fragmented frames as full frames. An adversary can abuse this to inject arbitrary network packets, independent of the network configuration."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-10-28T14:22:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "20210511 Multiple Vulnerabilities in Frame Aggregation and Fragmentation Implementations of 802.11 Specification Affecting Cisco Products: May 2021", "tags": ["vendor-advisory", "x_refsource_CISCO"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu"}, {"tags": ["x_refsource_MISC"], "url": "https://www.fragattacks.com"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md"}, {"name": "[oss-security] 20210511 various 802.11 security issues - fragattacks.com", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2021/05/11/12"}, {"tags": ["x_refsource_MISC"], "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-26142", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An issue was discovered in the kernel in OpenBSD 6.6. The WEP, WPA, WPA2, and WPA3 implementations treat fragmented frames as full frames. An adversary can abuse this to inject arbitrary network packets, independent of the network configuration."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "20210511 Multiple Vulnerabilities in Frame Aggregation and Fragmentation Implementations of 802.11 Specification Affecting Cisco Products: May 2021", "refsource": "CISCO", "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu"}, {"name": "https://www.fragattacks.com", "refsource": "MISC", "url": "https://www.fragattacks.com"}, {"name": "https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md", "refsource": "MISC", "url": "https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md"}, {"name": "[oss-security] 20210511 various 802.11 security issues - fragattacks.com", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2021/05/11/12"}, {"name": "https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63", "refsource": "MISC", "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T15:49:07.153Z"}, "title": "CVE Program Container", "references": [{"name": "20210511 Multiple Vulnerabilities in Frame Aggregation and Fragmentation Implementations of 802.11 Specification Affecting Cisco Products: May 2021", "tags": ["vendor-advisory", "x_refsource_CISCO", "x_transferred"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.fragattacks.com"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md"}, {"name": "[oss-security] 20210511 various 802.11 security issues - fragattacks.com", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2021/05/11/12"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2020-26142", "datePublished": "2021-05-11T19:41:14.000Z", "dateReserved": "2020-09-29T00:00:00.000Z", "dateUpdated": "2024-08-04T15:49:07.153Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:openbsd:openbsd:6.6:*:*:*:*:*:*:*", "matchCriteriaId": "0E0CC007-1428-4683-A196-3544F1C9CC92", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in the kernel in OpenBSD 6.6. The WEP, WPA, WPA2, and WPA3 implementations treat fragmented frames as full frames. An adversary can abuse this to inject arbitrary network packets, independent of the network configuration."}, {"lang": "es", "value": "Se detect\u00f3 un problema en el kernel en OpenBSD versi\u00f3n 6.6. Las implementaciones WEP, WPA, WPA2 y WPA3 tratan las tramas fragmentadas como tramas completas. Un adversario puede abusar de esto para inyectar paquetes de red arbitrarios, independientemente de la configuraci\u00f3n de la red"}], "id": "CVE-2020-26142", "lastModified": "2026-06-17T03:07:41.130", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "HIGH", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.6, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:H/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 4.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-05-11T20:15:08.760", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/05/11/12"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.fragattacks.com"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/05/11/12"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.fragattacks.com"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: processing fragmented frames as full frames", "id": "1960494", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1960494"}, "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:N/I:H/A:N", "status": "draft"}, "details": ["An issue was discovered in the kernel in OpenBSD 6.6. The WEP, WPA, WPA2, and WPA3 implementations treat fragmented frames as full frames. An adversary can abuse this to inject arbitrary network packets, independent of the network configuration.", "A flaw was found in the Linux kernel, where the WiFi implementations treat fragmented frames as full frames. This flaw allows an attacker to inject arbitrary network packets independent of the network configuration. The highest threat from this vulnerability is to integrity."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options does not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2020-26142", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-alt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2021-05-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-26142\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-26142"], "threat_severity": "Moderate"}

{}