{"containers": {"cna": {"affected": [{"product": "grub2", "vendor": "n/a", "versions": [{"status": "affected", "version": "grub-2.06"}]}], "descriptions": [{"lang": "en", "value": "A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be written in heap. To a successful to be performed the attacker needs to perform some triage over the heap layout and craft an image with a malicious format and payload. This vulnerability can lead to data corruption and eventual code execution or secure boot circumvention. This flaw affects grub2 versions prior grub-2.12."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-787", "description": "CWE-787", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-09-30T15:06:20.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1991687"}, {"name": "GLSA-202209-12", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/202209-12"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://security.netapp.com/advisory/ntap-20220930-0001/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2021-3697", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "grub2", "version": {"version_data": [{"version_value": "grub-2.06"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be written in heap. To a successful to be performed the attacker needs to perform some triage over the heap layout and craft an image with a malicious format and payload. This vulnerability can lead to data corruption and eventual code execution or secure boot circumvention. This flaw affects grub2 versions prior grub-2.12."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-787"}]}]}, "references": {"reference_data": [{"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1991687", "refsource": "MISC", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1991687"}, {"name": "GLSA-202209-12", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/202209-12"}, {"name": "https://security.netapp.com/advisory/ntap-20220930-0001/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20220930-0001/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:01:08.539Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1991687"}, {"name": "GLSA-202209-12", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/202209-12"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.netapp.com/advisory/ntap-20220930-0001/"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2021-3697", "datePublished": "2022-07-06T15:06:47.000Z", "dateReserved": "2021-08-10T00:00:00.000Z", "dateUpdated": "2024-08-03T17:01:08.539Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*", "matchCriteriaId": "B798FFCB-4972-436F-ADB4-8DA325089773", "versionEndExcluding": "2.12", "versionStartIncluding": "2.00", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:developer_tools:1.0:*:*:*:*:*:*:*", "matchCriteriaId": "60937D60-6B78-400F-8D30-7FCF328659A1", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:openshift:3.0:*:*:*:*:*:*:*", "matchCriteriaId": "62C4B3B6-7452-49AF-8981-737FE929FF97", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.1:*:*:*:*:*:*:*", "matchCriteriaId": "EF30E57A-97EA-4A44-8404-6AE4F058B44D", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.4:*:*:*:*:*:*:*", "matchCriteriaId": "5DAD1E4A-B22F-432C-97C8-D91D286535F1", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*", "matchCriteriaId": "831F0F47-3565-4763-B16F-C87B1FF2035E", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*", "matchCriteriaId": "0E3F09B5-569F-4C58-9FCA-3C0953D107B5", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*", "matchCriteriaId": "6C3741B8-851F-475D-B428-523F4F722350", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "4DDA3E5A-8754-4C48-9A27-E2415F8A6000", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "47811209-5CE5-4375-8391-B0A7F6A0E420", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "35EEDB95-DCD1-4FED-9BBB-877B2062410C", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.2:*:*:*:*:*:*:*", "matchCriteriaId": "E5C80DB2-4A78-4EC9-B2A8-1E4D902C4834", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.4:*:*:*:*:*:*:*", "matchCriteriaId": "983533DD-3970-4A37-9A9C-582BD48AA1E5", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.6:*:*:*:*:*:*:*", "matchCriteriaId": "729C515E-1DD3-466D-A50B-AFE058FFC94A", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "868A6ED7-44DD-44FF-8ADD-9971298A1175", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*", "matchCriteriaId": "6897676D-53F9-45B3-B27F-7FF9A4C58D33", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:*", "matchCriteriaId": "E28F226A-CBC7-4A32-BE58-398FA5B42481", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:*", "matchCriteriaId": "76C24D94-834A-4E9D-8F73-624AFA99AAA2", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.1:*:*:*:*:*:*:*", "matchCriteriaId": "4DF2B9A2-8CA6-4EDF-9975-07265E363ED2", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.2:*:*:*:*:*:*:*", "matchCriteriaId": "7DA6A5AF-2EBE-4ED9-B312-DCD9D150D031", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.4:*:*:*:*:*:*:*", "matchCriteriaId": "22D095ED-9247-4133-A133-73B7668565E4", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.6:*:*:*:*:*:*:*", "matchCriteriaId": "871A5C26-DB7B-4870-A5B2-5DD24C90B4A7", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "492DF629-16B8-4882-822D-A6897B03DD30", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*", "matchCriteriaId": "B09ACF2D-D83F-4A86-8185-9569605D8EE1", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:*", "matchCriteriaId": "AC10D919-57FD-4725-B8D2-39ECB476902F", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:*", "matchCriteriaId": "1272DF03-7674-4BD4-8E64-94004B195448", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:openshift_container_platform:4.6:*:*:*:*:*:*:*", "matchCriteriaId": "6B62E762-2878-455A-93C9-A5DB430D7BB5", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:openshift_container_platform:4.9:*:*:*:*:*:*:*", "matchCriteriaId": "81609549-25CE-4C8A-9DE3-170D23704208", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:openshift_container_platform:4.10:*:*:*:*:*:*:*", "matchCriteriaId": "0595C9F8-9C7A-4FC1-B7EE-52978A1B1E93", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:codeready_linux_builder:-:*:*:*:*:*:*:*", "matchCriteriaId": "1CD81C46-328B-412D-AF4E-68A2AD2F1A73", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943", "vulnerable": false}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D", "vulnerable": false}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*", "matchCriteriaId": "831F0F47-3565-4763-B16F-C87B1FF2035E", "vulnerable": false}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*", "matchCriteriaId": "0E3F09B5-569F-4C58-9FCA-3C0953D107B5", "vulnerable": false}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*", "matchCriteriaId": "6C3741B8-851F-475D-B428-523F4F722350", "vulnerable": false}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "4DDA3E5A-8754-4C48-9A27-E2415F8A6000", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be written in heap. To a successful to be performed the attacker needs to perform some triage over the heap layout and craft an image with a malicious format and payload. This vulnerability can lead to data corruption and eventual code execution or secure boot circumvention. This flaw affects grub2 versions prior grub-2.12."}, {"lang": "es", "value": "Una imagen JPEG dise\u00f1ada puede conllevar que el lector de JPEG desborde su puntero de datos, permitiendo que los datos controlados por el usuario sean escritos en la pila. Para que sea realizado con \u00e9xito, el atacante necesita llevar a cabo un triaje sobre la disposici\u00f3n de la pila y llevar a cabo una imagen con un formato y carga \u00fatil maliciosos. Esta vulnerabilidad puede conllevar a una corrupci\u00f3n de datos y la eventual ejecuci\u00f3n de c\u00f3digo o la omisi\u00f3n del arranque seguro. Este fallo afecta a grub2 versiones anteriores a grub-2.12"}], "id": "CVE-2021-3697", "lastModified": "2024-11-21T06:22:10.820", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.4, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-07-06T16:15:08.320", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1991687"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202209-12"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20220930-0001/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1991687"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202209-12"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20220930-0001/"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2022:5095", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "grub2-1:2.02-123.el8_6.8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-06-16T00:00:00Z"}, {"advisory": "RHSA-2022:5098", "cpe": "cpe:/o:redhat:rhel_e4s:8.1", "package": "grub2-1:2.02-87.el8_1.10", "product_name": "Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions", "release_date": "2022-06-16T00:00:00Z"}, {"advisory": "RHSA-2022:5100", "cpe": "cpe:/o:redhat:rhel_eus:8.2", "package": "grub2-1:2.02-87.el8_2.10", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2022-06-16T00:00:00Z"}, {"advisory": "RHSA-2022:5096", "cpe": "cpe:/o:redhat:rhel_eus:8.4", "package": "grub2-1:2.02-99.el8_4.9", "product_name": "Red Hat Enterprise Linux 8.4 Extended Update Support", "release_date": "2022-06-16T00:00:00Z"}, {"advisory": "RHSA-2022:5099", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "grub2-1:2.06-27.el9_0.7", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-06-16T00:00:00Z"}], "bugzilla": {"description": "grub2: Crafted JPEG image can lead to buffer underflow write in the heap", "id": "1991687", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1991687"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-787", "details": ["A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be written in heap. To a successful to be performed the attacker needs to perform some triage over the heap layout and craft an image with a malicious format and payload. This vulnerability can lead to data corruption and eventual code execution or secure boot circumvention. This flaw affects grub2 versions prior grub-2.12.", "A flaw was found in grub2 when handling JPEG images. This flaw allows an attacker to craft a malicious JPEG image, which leads to an underflow on a grub2's internal pointer, leading to a heap-based out-of-bounds write. Secure-boot mechanisms circumvention and arbitrary code execution may also be achievable."], "name": "CVE-2021-3697", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "grub2", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2022-06-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-3697\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-3697"], "threat_severity": "Moderate"}

{}