{"containers": {"cna": {"affected": [{"product": "grub2", "vendor": "The Grub2 Project", "versions": [{"status": "affected", "version": "2.06"}]}], "descriptions": [{"lang": "en", "value": "There is an issue with grub2 before version 2.06 while handling symlink on ext filesystems. A filesystem containing a symbolic link with an inode size of UINT32_MAX causes an arithmetic overflow leading to a zero-sized memory allocation with subsequent heap-based buffer overflow."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-190", "description": "CWE-190", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-122", "description": "CWE-122", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-09-21T11:06:35", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14311"}, {"name": "USN-4432-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "https://usn.ubuntu.com/4432-1/"}, {"name": "openSUSE-SU-2020:1169", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html"}, {"name": "openSUSE-SU-2020:1168", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html"}, {"name": "GLSA-202104-05", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/202104-05"}, {"name": "[oss-security] 20210916 Containers-optimized OS (COS) membership in the linux-distros list", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2021/09/17/2"}, {"name": "[oss-security] 20210917 Re: Containers-optimized OS (COS) membership in the linux-distros list", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2021/09/17/4"}, {"name": "[oss-security] 20210920 Re: Containers-optimized OS (COS) membership in the linux-distros list", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2021/09/21/1"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2020-14311", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "grub2", "version": {"version_data": [{"version_value": "2.06"}]}}]}, "vendor_name": "The Grub2 Project"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "There is an issue with grub2 before version 2.06 while handling symlink on ext filesystems. A filesystem containing a symbolic link with an inode size of UINT32_MAX causes an arithmetic overflow leading to a zero-sized memory allocation with subsequent heap-based buffer overflow."}]}, "impact": {"cvss": [[{"vectorString": "5.7/CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H", "version": "3.0"}]]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-190"}]}, {"description": [{"lang": "eng", "value": "CWE-122"}]}]}, "references": {"reference_data": [{"name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14311", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14311"}, {"name": "USN-4432-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4432-1/"}, {"name": "openSUSE-SU-2020:1169", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html"}, {"name": "openSUSE-SU-2020:1168", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html"}, {"name": "GLSA-202104-05", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/202104-05"}, {"name": "[oss-security] 20210916 Containers-optimized OS (COS) membership in the linux-distros list", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2021/09/17/2"}, {"name": "[oss-security] 20210917 Re: Containers-optimized OS (COS) membership in the linux-distros list", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2021/09/17/4"}, {"name": "[oss-security] 20210920 Re: Containers-optimized OS (COS) membership in the linux-distros list", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2021/09/21/1"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T12:39:36.229Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14311"}, {"name": "USN-4432-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "https://usn.ubuntu.com/4432-1/"}, {"name": "openSUSE-SU-2020:1169", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html"}, {"name": "openSUSE-SU-2020:1168", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html"}, {"name": "GLSA-202104-05", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/202104-05"}, {"name": "[oss-security] 20210916 Containers-optimized OS (COS) membership in the linux-distros list", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2021/09/17/2"}, {"name": "[oss-security] 20210917 Re: Containers-optimized OS (COS) membership in the linux-distros list", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2021/09/17/4"}, {"name": "[oss-security] 20210920 Re: Containers-optimized OS (COS) membership in the linux-distros list", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2021/09/21/1"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2020-14311", "datePublished": "2020-07-31T20:56:30", "dateReserved": "2020-06-17T00:00:00", "dateUpdated": "2024-08-04T12:39:36.229Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*", "matchCriteriaId": "01F8D62F-70BB-4718-A095-D68540C17EEA", "versionEndExcluding": "2.06", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A", "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_eus:8.1:*:*:*:*:*:*:*", "matchCriteriaId": "92BC9265-6959-4D37-BE5E-8C45E98992F8", "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_server_aus:8.2:*:*:*:*:*:*:*", "matchCriteriaId": "6897676D-53F9-45B3-B27F-7FF9A4C58D33", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*", "matchCriteriaId": "B09ACF2D-D83F-4A86-8185-9569605D8EE1", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493", "vulnerable": true}, {"criteria": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*", "matchCriteriaId": "B009C22E-30A4-4288-BCF6-C3E81DEAF45A", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*", "matchCriteriaId": "815D70A8-47D3-459C-A32C-9FEACA0659D1", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*", "matchCriteriaId": "7A5301BF-1402-4BE0-A0F8-69FBE79BC6D6", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*", "matchCriteriaId": "902B8056-9E37-443B-8905-8AA93E2447FB", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "There is an issue with grub2 before version 2.06 while handling symlink on ext filesystems. A filesystem containing a symbolic link with an inode size of UINT32_MAX causes an arithmetic overflow leading to a zero-sized memory allocation with subsequent heap-based buffer overflow."}, {"lang": "es", "value": "Se presenta un problema con grub2 versiones anteriores a 2.06, mientras se maneja un symlink en los sistemas de archivos ext. Un sistema de archivos que contiene un enlace simb\u00f3lico con un tama\u00f1o de inode de UINT32_MAX causa un desbordamiento aritm\u00e9tico conllevando a una asignaci\u00f3n de memoria de tama\u00f1o cero con el posterior desbordamiento del b\u00fafer en la regi\u00f3n heap de la memoria"}], "id": "CVE-2020-14311", "lastModified": "2024-11-21T05:02:58.923", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 3.6, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.5, "impactScore": 5.2, "source": "secalert@redhat.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-07-31T22:15:11.597", "references": [{"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/09/17/2"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/09/17/4"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/09/21/1"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14311"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202104-05"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4432-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/09/17/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/09/17/4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/09/21/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14311"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202104-05"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4432-1/"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}, {"lang": "en", "value": "CWE-190"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-190"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank Chris Coulson (Ubuntu Security Team) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2020:3217", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "fwupdate-0:12-6.el7_8", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3217", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "grub2-1:2.02-0.86.el7_8", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3217", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "shim-0:15-7.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3217", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "shim-signed-0:15-7.el7_8", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3273", "cpe": "cpe:/o:redhat:rhel_aus:7.2", "package": "grub2-1:2.02-0.86.el7_2", "product_name": "Red Hat Enterprise Linux 7.2 Advanced Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3273", "cpe": "cpe:/o:redhat:rhel_aus:7.2", "package": "shim-0:15-8.el7", "product_name": "Red Hat Enterprise Linux 7.2 Advanced Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3273", "cpe": "cpe:/o:redhat:rhel_aus:7.2", "package": "shim-signed-0:15-8.el7_2", "product_name": "Red Hat Enterprise Linux 7.2 Advanced Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3276", "cpe": "cpe:/o:redhat:rhel_aus:7.3", "package": "grub2-1:2.02-0.86.el7", "product_name": "Red Hat Enterprise Linux 7.3 Advanced Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3276", "cpe": "cpe:/o:redhat:rhel_aus:7.3", "package": "shim-0:15-8.el7", "product_name": "Red Hat Enterprise Linux 7.3 Advanced Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3276", "cpe": "cpe:/o:redhat:rhel_aus:7.3", "package": "shim-signed-0:15-8.el7_3", "product_name": "Red Hat Enterprise Linux 7.3 Advanced Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3276", "cpe": "cpe:/o:redhat:rhel_tus:7.3", "package": "grub2-1:2.02-0.86.el7", "product_name": "Red Hat Enterprise Linux 7.3 Telco Extended Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3276", "cpe": "cpe:/o:redhat:rhel_tus:7.3", "package": "shim-0:15-8.el7", "product_name": "Red Hat Enterprise Linux 7.3 Telco Extended Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3276", "cpe": "cpe:/o:redhat:rhel_tus:7.3", "package": "shim-signed-0:15-8.el7_3", "product_name": "Red Hat Enterprise Linux 7.3 Telco Extended Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3276", "cpe": "cpe:/o:redhat:rhel_e4s:7.3", "package": "grub2-1:2.02-0.86.el7", "product_name": "Red Hat Enterprise Linux 7.3 Update Services for SAP Solutions", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3276", "cpe": "cpe:/o:redhat:rhel_e4s:7.3", "package": "shim-0:15-8.el7", "product_name": "Red Hat Enterprise Linux 7.3 Update Services for SAP Solutions", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3276", "cpe": "cpe:/o:redhat:rhel_e4s:7.3", "package": "shim-signed-0:15-8.el7_3", "product_name": "Red Hat Enterprise Linux 7.3 Update Services for SAP Solutions", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3275", "cpe": "cpe:/o:redhat:rhel_aus:7.4", "package": "fwupdate-0:9-10.el7_4", "product_name": "Red Hat Enterprise Linux 7.4 Advanced Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3275", "cpe": "cpe:/o:redhat:rhel_aus:7.4", "package": "grub2-1:2.02-0.86.el7_4", "product_name": "Red Hat Enterprise Linux 7.4 Advanced Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3275", "cpe": "cpe:/o:redhat:rhel_aus:7.4", "package": "shim-0:15-8.el7", "product_name": "Red Hat Enterprise Linux 7.4 Advanced Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3275", "cpe": "cpe:/o:redhat:rhel_aus:7.4", "package": "shim-signed-0:15-8.el7_4", "product_name": "Red Hat Enterprise Linux 7.4 Advanced Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3275", "cpe": "cpe:/o:redhat:rhel_tus:7.4", "package": "fwupdate-0:9-10.el7_4", "product_name": "Red Hat Enterprise Linux 7.4 Telco Extended Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3275", "cpe": "cpe:/o:redhat:rhel_tus:7.4", "package": "grub2-1:2.02-0.86.el7_4", "product_name": "Red Hat Enterprise Linux 7.4 Telco Extended Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3275", "cpe": "cpe:/o:redhat:rhel_tus:7.4", "package": "shim-0:15-8.el7", "product_name": "Red Hat Enterprise Linux 7.4 Telco Extended Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3275", "cpe": "cpe:/o:redhat:rhel_tus:7.4", "package": "shim-signed-0:15-8.el7_4", "product_name": "Red Hat Enterprise Linux 7.4 Telco Extended Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3275", "cpe": "cpe:/o:redhat:rhel_e4s:7.4", "package": "fwupdate-0:9-10.el7_4", "product_name": "Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3275", "cpe": "cpe:/o:redhat:rhel_e4s:7.4", "package": "grub2-1:2.02-0.86.el7_4", "product_name": "Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3275", "cpe": "cpe:/o:redhat:rhel_e4s:7.4", "package": "shim-0:15-8.el7", "product_name": "Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3275", "cpe": "cpe:/o:redhat:rhel_e4s:7.4", "package": "shim-signed-0:15-8.el7_4", "product_name": "Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3271", "cpe": "cpe:/o:redhat:rhel_eus:7.6", "package": "fwupdate-0:12-6.el7_6", "product_name": "Red Hat Enterprise Linux 7.6 Extended Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3271", "cpe": "cpe:/o:redhat:rhel_eus:7.6", "package": "grub2-1:2.02-0.86.el7_6", "product_name": "Red Hat Enterprise Linux 7.6 Extended Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3271", "cpe": "cpe:/o:redhat:rhel_eus:7.6", "package": "shim-0:15-8.el7", "product_name": "Red Hat Enterprise Linux 7.6 Extended Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3271", "cpe": "cpe:/o:redhat:rhel_eus:7.6", "package": "shim-signed-0:15-8.el7_6", "product_name": "Red Hat Enterprise Linux 7.6 Extended Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3274", "cpe": "cpe:/o:redhat:rhel_eus:7.7", "package": "fwupdate-0:12-6.el7_7", "product_name": "Red Hat Enterprise Linux 7.7 Extended Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3274", "cpe": "cpe:/o:redhat:rhel_eus:7.7", "package": "grub2-1:2.02-0.86.el7_7", "product_name": "Red Hat Enterprise Linux 7.7 Extended Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3274", "cpe": "cpe:/o:redhat:rhel_eus:7.7", "package": "shim-0:15-8.el7", "product_name": "Red Hat Enterprise Linux 7.7 Extended Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3274", "cpe": "cpe:/o:redhat:rhel_eus:7.7", "package": "shim-signed-0:15-8.el7_7", "product_name": "Red Hat Enterprise Linux 7.7 Extended Update Support", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3216", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "fwupd-0:1.1.4-7.el8_2", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3216", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "grub2-1:2.02-87.el8_2", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3216", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "shim-0:15-14.el8_2", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3216", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "shim-unsigned-x64-0:15-7.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3227", "cpe": "cpe:/o:redhat:rhel_e4s:8.0", "package": "fwupd-0:1.1.4-2.el8_0", "product_name": "Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3227", "cpe": "cpe:/o:redhat:rhel_e4s:8.0", "package": "grub2-1:2.02-87.el8_0", "product_name": "Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3227", "cpe": "cpe:/o:redhat:rhel_e4s:8.0", "package": "shim-0:15-14.el8_0", "product_name": "Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3223", "cpe": "cpe:/o:redhat:rhel_eus:8.1", "package": "fwupd-0:1.1.4-2.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Extended Update Support", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3223", "cpe": "cpe:/o:redhat:rhel_eus:8.1", "package": "grub2-1:2.02-87.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Extended Update Support", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3223", "cpe": "cpe:/o:redhat:rhel_eus:8.1", "package": "shim-0:15-14.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Extended Update Support", "release_date": "2020-07-29T00:00:00Z"}, {"advisory": "RHSA-2020:3223", "cpe": "cpe:/o:redhat:rhel_eus:8.1", "package": "shim-unsigned-x64-0:15-7.el8", "product_name": "Red Hat Enterprise Linux 8.1 Extended Update Support", "release_date": "2020-07-29T00:00:00Z"}], "bugzilla": {"description": "grub2: Integer overflow in grub_ext2_read_link leads to heap-based buffer overflow", "id": "1852014", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1852014"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H", "status": "verified"}, "cwe": "CWE-190->CWE-122", "details": ["There is an issue with grub2 before version 2.06 while handling symlink on ext filesystems. A filesystem containing a symbolic link with an inode size of UINT32_MAX causes an arithmetic overflow leading to a zero-sized memory allocation with subsequent heap-based buffer overflow.", "A flaw was found in grub2 while handling symlink on ext filesystems. A filesystem containing a symbolic link with an inode size of UINT32_MAX causes an arithmetic overflow, leading to a zero-sized memory allocation with a subsequent heap-based buffer overflow. The highest threat from this vulnerability is to integrity and system availability."], "name": "CVE-2020-14311", "public_date": "2020-07-29T17:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-14311\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-14311"], "threat_severity": "Moderate", "upstream_fix": "grub 2.06"}