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CVE-2023-4001
Vulnerability from cvelistv5
Published
2024-01-15 11:10
Modified
2024-11-13 21:45
Severity ?
EPSS score ?
Summary
Grub2: bypass the grub password protection feature
References
Impacted products
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rhsa-2024_0468
Vulnerability from csaf_redhat
Published
2024-01-25 10:52
Modified
2024-11-06 04:49
Summary
Red Hat Security Advisory: grub2 security update
Notes
Topic
An update for grub2 is now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices.
Security Fix(es):
* grub2: bypass the GRUB password protection feature (CVE-2023-4001)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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An attacker capable of attaching an external drive such as a USB stick containing a file system with a duplicate UUID (the same as in the \"/boot/\" file system) can bypass the GRUB password protection feature on UEFI systems, which enumerate removable drives before non-removable ones. This issue was introduced in a downstream patch in Red Hat\u0027s version of grub2 and does not affect the upstream package.", "title": "Vulnerability description" }, { "category": "summary", "text": "grub2: bypass the GRUB password protection feature", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "BaseOS-9.3.0.Z.MAIN:grub2-1:2.06-70.el9_3.2.src", "BaseOS-9.3.0.Z.MAIN:grub2-common-1:2.06-70.el9_3.2.noarch", "BaseOS-9.3.0.Z.MAIN:grub2-debuginfo-1:2.06-70.el9_3.2.aarch64", "BaseOS-9.3.0.Z.MAIN:grub2-debuginfo-1:2.06-70.el9_3.2.ppc64le", "BaseOS-9.3.0.Z.MAIN:grub2-debuginfo-1:2.06-70.el9_3.2.x86_64", "BaseOS-9.3.0.Z.MAIN:grub2-debugsource-1:2.06-70.el9_3.2.aarch64", 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rhsa-2024_0456
Vulnerability from csaf_redhat
Published
2024-01-25 08:59
Modified
2024-11-06 04:51
Summary
Red Hat Security Advisory: grub2 security update
Notes
Topic
An update for grub2 is now available for Red Hat Enterprise Linux 9.2 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices.
Security Fix(es):
* grub2: bypass the GRUB password protection feature (CVE-2023-4001)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Moderate" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for grub2 is now available for Red Hat Enterprise Linux 9.2 Extended Update Support.\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices.\n\nSecurity Fix(es):\n\n* grub2: bypass the GRUB password protection feature (CVE-2023-4001)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2024:0456", "url": "https://access.redhat.com/errata/RHSA-2024:0456" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#moderate", "url": "https://access.redhat.com/security/updates/classification/#moderate" }, { "category": "external", "summary": "2224951", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2224951" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_0456.json" } ], "title": "Red Hat Security Advisory: grub2 security update", "tracking": { "current_release_date": "2024-11-06T04:51:31+00:00", "generator": { "date": "2024-11-06T04:51:31+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2024:0456", "initial_release_date": "2024-01-25T08:59:05+00:00", "revision_history": [ { "date": "2024-01-25T08:59:05+00:00", "number": "1", "summary": "Initial version" }, { "date": "2024-01-25T08:59:05+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-06T04:51:31+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux BaseOS EUS (v.9.2)", "product": { "name": "Red Hat Enterprise Linux BaseOS EUS (v.9.2)", "product_id": 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"default_component_of", "full_product_name": { "name": "grub2-tools-minimal-debuginfo-1:2.06-61.el9_2.2.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.2)", "product_id": "BaseOS-9.2.0.Z.EUS:grub2-tools-minimal-debuginfo-1:2.06-61.el9_2.2.x86_64" }, "product_reference": "grub2-tools-minimal-debuginfo-1:2.06-61.el9_2.2.x86_64", "relates_to_product_reference": "BaseOS-9.2.0.Z.EUS" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "Maxim Suhanov" ] } ], "cve": "CVE-2023-4001", "cwe": { "id": "CWE-290", "name": "Authentication Bypass by Spoofing" }, "discovery_date": "2023-07-24T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2224951" } ], "notes": [ { "category": "description", "text": "An authentication bypass flaw was found in GRUB due to the way that GRUB uses the UUID of a device to search for the configuration file that contains the password hash for the GRUB password protection feature. An attacker capable of attaching an external drive such as a USB stick containing a file system with a duplicate UUID (the same as in the \"/boot/\" file system) can bypass the GRUB password protection feature on UEFI systems, which enumerate removable drives before non-removable ones. This issue was introduced in a downstream patch in Red Hat\u0027s version of grub2 and does not affect the upstream package.", "title": "Vulnerability description" }, { "category": "summary", "text": "grub2: bypass the GRUB password protection feature", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "BaseOS-9.2.0.Z.EUS:grub2-1:2.06-61.el9_2.2.src", "BaseOS-9.2.0.Z.EUS:grub2-common-1:2.06-61.el9_2.2.noarch", "BaseOS-9.2.0.Z.EUS:grub2-debuginfo-1:2.06-61.el9_2.2.aarch64", "BaseOS-9.2.0.Z.EUS:grub2-debuginfo-1:2.06-61.el9_2.2.ppc64le", "BaseOS-9.2.0.Z.EUS:grub2-debuginfo-1:2.06-61.el9_2.2.x86_64", "BaseOS-9.2.0.Z.EUS:grub2-debugsource-1:2.06-61.el9_2.2.aarch64", 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"https://dfir.ru/2024/01/15/cve-2023-4001-a-vulnerability-in-the-downstream-grub-boot-manager/", "url": "https://dfir.ru/2024/01/15/cve-2023-4001-a-vulnerability-in-the-downstream-grub-boot-manager/" } ], "release_date": "2024-01-09T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2024-01-25T08:59:05+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "BaseOS-9.2.0.Z.EUS:grub2-1:2.06-61.el9_2.2.src", "BaseOS-9.2.0.Z.EUS:grub2-common-1:2.06-61.el9_2.2.noarch", "BaseOS-9.2.0.Z.EUS:grub2-debuginfo-1:2.06-61.el9_2.2.aarch64", "BaseOS-9.2.0.Z.EUS:grub2-debuginfo-1:2.06-61.el9_2.2.ppc64le", "BaseOS-9.2.0.Z.EUS:grub2-debuginfo-1:2.06-61.el9_2.2.x86_64", "BaseOS-9.2.0.Z.EUS:grub2-debugsource-1:2.06-61.el9_2.2.aarch64", "BaseOS-9.2.0.Z.EUS:grub2-debugsource-1:2.06-61.el9_2.2.ppc64le", 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rhsa-2024_0437
Vulnerability from csaf_redhat
Published
2024-01-25 11:14
Modified
2024-11-06 04:51
Summary
Red Hat Security Advisory: grub2 security update
Notes
Topic
An update for grub2 is now available for Red Hat Enterprise Linux 9.0 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices.
Security Fix(es):
* grub2: bypass the GRUB password protection feature (CVE-2023-4001)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Moderate" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for grub2 is now available for Red Hat Enterprise Linux 9.0 Extended Update Support.\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices.\n\nSecurity Fix(es):\n\n* grub2: bypass the GRUB password protection feature (CVE-2023-4001)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2024:0437", "url": "https://access.redhat.com/errata/RHSA-2024:0437" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#moderate", "url": "https://access.redhat.com/security/updates/classification/#moderate" }, { "category": "external", "summary": "2224951", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2224951" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_0437.json" } ], "title": "Red Hat Security Advisory: grub2 security update", "tracking": { "current_release_date": "2024-11-06T04:51:02+00:00", "generator": { "date": "2024-11-06T04:51:02+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2024:0437", "initial_release_date": "2024-01-25T11:14:31+00:00", "revision_history": [ { "date": "2024-01-25T11:14:31+00:00", "number": "1", "summary": "Initial version" }, { "date": "2024-01-25T11:14:31+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-06T04:51:02+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux BaseOS EUS (v.9.0)", "product": { "name": "Red Hat Enterprise Linux BaseOS EUS (v.9.0)", "product_id": 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"BaseOS-9.0.0.Z.EUS:grub2-tools-minimal-debuginfo-1:2.06-27.el9_0.16.ppc64le" }, "product_reference": "grub2-tools-minimal-debuginfo-1:2.06-27.el9_0.16.ppc64le", "relates_to_product_reference": "BaseOS-9.0.0.Z.EUS" }, { "category": "default_component_of", "full_product_name": { "name": "grub2-tools-minimal-debuginfo-1:2.06-27.el9_0.16.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)", "product_id": "BaseOS-9.0.0.Z.EUS:grub2-tools-minimal-debuginfo-1:2.06-27.el9_0.16.x86_64" }, "product_reference": "grub2-tools-minimal-debuginfo-1:2.06-27.el9_0.16.x86_64", "relates_to_product_reference": "BaseOS-9.0.0.Z.EUS" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "Maxim Suhanov" ] } ], "cve": "CVE-2023-4001", "cwe": { "id": "CWE-290", "name": "Authentication Bypass by Spoofing" }, "discovery_date": "2023-07-24T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2224951" } ], "notes": [ { "category": "description", "text": "An authentication bypass flaw was found in GRUB due to the way that GRUB uses the UUID of a device to search for the configuration file that contains the password hash for the GRUB password protection feature. An attacker capable of attaching an external drive such as a USB stick containing a file system with a duplicate UUID (the same as in the \"/boot/\" file system) can bypass the GRUB password protection feature on UEFI systems, which enumerate removable drives before non-removable ones. This issue was introduced in a downstream patch in Red Hat\u0027s version of grub2 and does not affect the upstream package.", "title": "Vulnerability description" }, { "category": "summary", "text": "grub2: bypass the GRUB password protection feature", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "BaseOS-9.0.0.Z.EUS:grub2-1:2.06-27.el9_0.16.src", "BaseOS-9.0.0.Z.EUS:grub2-common-1:2.06-27.el9_0.16.noarch", "BaseOS-9.0.0.Z.EUS:grub2-debuginfo-1:2.06-27.el9_0.16.aarch64", "BaseOS-9.0.0.Z.EUS:grub2-debuginfo-1:2.06-27.el9_0.16.ppc64le", "BaseOS-9.0.0.Z.EUS:grub2-debuginfo-1:2.06-27.el9_0.16.x86_64", "BaseOS-9.0.0.Z.EUS:grub2-debugsource-1:2.06-27.el9_0.16.aarch64", 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"https://dfir.ru/2024/01/15/cve-2023-4001-a-vulnerability-in-the-downstream-grub-boot-manager/", "url": "https://dfir.ru/2024/01/15/cve-2023-4001-a-vulnerability-in-the-downstream-grub-boot-manager/" } ], "release_date": "2024-01-09T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2024-01-25T11:14:31+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "BaseOS-9.0.0.Z.EUS:grub2-1:2.06-27.el9_0.16.src", "BaseOS-9.0.0.Z.EUS:grub2-common-1:2.06-27.el9_0.16.noarch", "BaseOS-9.0.0.Z.EUS:grub2-debuginfo-1:2.06-27.el9_0.16.aarch64", "BaseOS-9.0.0.Z.EUS:grub2-debuginfo-1:2.06-27.el9_0.16.ppc64le", "BaseOS-9.0.0.Z.EUS:grub2-debuginfo-1:2.06-27.el9_0.16.x86_64", "BaseOS-9.0.0.Z.EUS:grub2-debugsource-1:2.06-27.el9_0.16.aarch64", "BaseOS-9.0.0.Z.EUS:grub2-debugsource-1:2.06-27.el9_0.16.ppc64le", 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gsd-2023-4001
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
An authentication bypass flaw was found in GRUB due to the way that GRUB uses the UUID of a device to search for the configuration file that contains the password hash for the GRUB password protection feature. An attacker capable of attaching an external drive such as a USB stick containing a file system with a duplicate UUID (the same as in the "/boot/" file system) can bypass the GRUB password protection feature on UEFI systems, which enumerate removable drives before non-removable ones. This issue was introduced in a downstream patch in Red Hat's version of grub2 and does not affect the upstream package.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2023-4001", "id": "GSD-2023-4001" }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2023-4001" ], "details": "An authentication bypass flaw was found in GRUB due to the way that GRUB uses the UUID of a device to search for the configuration file that contains the password hash for the GRUB password protection feature. An attacker capable of attaching an external drive such as a USB stick containing a file system with a duplicate UUID (the same as in the \"/boot/\" file system) can bypass the GRUB password protection feature on UEFI systems, which enumerate removable drives before non-removable ones. This issue was introduced in a downstream patch in Red Hat\u0027s version of grub2 and does not affect the upstream package.", "id": "GSD-2023-4001", "modified": "2023-12-13T01:20:27.453894Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "secalert@redhat.com", "ID": "CVE-2023-4001", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Red Hat Enterprise Linux 9", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "affected", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "1:2.06-70.el9_3.2", "versionType": "rpm" } ] } } ] } }, { "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "affected", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "1:2.06-27.el9_0.16", "versionType": "rpm" } ] } } ] } }, { "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "affected", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "1:2.06-61.el9_2.2", "versionType": "rpm" } ] } } ] } }, { "product_name": "Red Hat Enterprise Linux 8", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "unaffected" } } ] } } ] }, "vendor_name": "Red Hat" } ] } }, "credits": [ { "lang": "en", "value": "Red Hat would like to thank Maxim Suhanov for reporting this issue." } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "An authentication bypass flaw was found in GRUB due to the way that GRUB uses the UUID of a device to search for the configuration file that contains the password hash for the GRUB password protection feature. An attacker capable of attaching an external drive such as a USB stick containing a file system with a duplicate UUID (the same as in the \"/boot/\" file system) can bypass the GRUB password protection feature on UEFI systems, which enumerate removable drives before non-removable ones. This issue was introduced in a downstream patch in Red Hat\u0027s version of grub2 and does not affect the upstream package." } ] }, "impact": { "cvss": [ { "attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "cweId": "CWE-290", "lang": "eng", "value": "Authentication Bypass by Spoofing" } ] } ] }, "references": { "reference_data": [ { "name": "http://www.openwall.com/lists/oss-security/2024/01/15/3", "refsource": "MISC", "url": "http://www.openwall.com/lists/oss-security/2024/01/15/3" }, { "name": "https://access.redhat.com/errata/RHSA-2024:0437", "refsource": "MISC", "url": "https://access.redhat.com/errata/RHSA-2024:0437" }, { "name": "https://access.redhat.com/errata/RHSA-2024:0456", "refsource": "MISC", "url": "https://access.redhat.com/errata/RHSA-2024:0456" }, { "name": "https://access.redhat.com/errata/RHSA-2024:0468", "refsource": "MISC", "url": "https://access.redhat.com/errata/RHSA-2024:0468" }, { "name": "https://access.redhat.com/security/cve/CVE-2023-4001", "refsource": "MISC", "url": "https://access.redhat.com/security/cve/CVE-2023-4001" }, { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2224951", "refsource": "MISC", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2224951" }, { "name": "https://dfir.ru/2024/01/15/cve-2023-4001-a-vulnerability-in-the-downstream-grub-boot-manager/", "refsource": "MISC", "url": "https://dfir.ru/2024/01/15/cve-2023-4001-a-vulnerability-in-the-downstream-grub-boot-manager/" }, { "name": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3OBADMKHQLJOBA32Q7XPNSYMVHVAFDCB/", "refsource": "MISC", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3OBADMKHQLJOBA32Q7XPNSYMVHVAFDCB/" }, { "name": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CHLZQ47HM64NDOHMHYO7VIJFYD5ZPPYN/", "refsource": "MISC", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CHLZQ47HM64NDOHMHYO7VIJFYD5ZPPYN/" }, { "name": "https://security.netapp.com/advisory/ntap-20240216-0006/", "refsource": "MISC", "url": "https://security.netapp.com/advisory/ntap-20240216-0006/" } ] } }, "nvd.nist.gov": { "cve": { "configurations": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:a:gnu:grub2:-:*:*:*:*:*:*:*", "matchCriteriaId": "5104C160-A510-4AB3-82F8-F92E21B1B2D7", "vulnerable": true } ], "negate": false, "operator": "OR" } ] }, { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D", "vulnerable": true } ], "negate": false, "operator": "OR" } ] }, { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*", "matchCriteriaId": "CC559B26-5DFC-4B7A-A27C-B77DE755DFF9", "vulnerable": true }, { "criteria": "cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*", "matchCriteriaId": "B8EDB836-4E6A-4B71-B9B2-AA3E03E0F646", "vulnerable": true } ], "negate": false, "operator": "OR" } ] } ], "descriptions": [ { "lang": "en", "value": "An authentication bypass flaw was found in GRUB due to the way that GRUB uses the UUID of a device to search for the configuration file that contains the password hash for the GRUB password protection feature. An attacker capable of attaching an external drive such as a USB stick containing a file system with a duplicate UUID (the same as in the \"/boot/\" file system) can bypass the GRUB password protection feature on UEFI systems, which enumerate removable drives before non-removable ones. This issue was introduced in a downstream patch in Red Hat\u0027s version of grub2 and does not affect the upstream package." }, { "lang": "es", "value": "Se encontr\u00f3 un fallo de omisi\u00f3n de autenticaci\u00f3n en GRUB debido a la forma en que GRUB usa el UUID de un dispositivo para buscar el archivo de configuraci\u00f3n que contiene el hash de contrase\u00f1a para la funci\u00f3n de protecci\u00f3n de contrase\u00f1a de GRUB. Un atacante capaz de conectar una unidad externa, como una memoria USB que contenga un sistema de archivos con un UUID duplicado (el mismo que en el sistema de archivos \"/boot/\") puede omitir la funci\u00f3n de protecci\u00f3n con contrase\u00f1a GRUB en los sistemas UEFI, que enumeran unidades extra\u00edbles. antes que los no removibles. Este problema se introdujo en un parche posterior en la versi\u00f3n de grub2 de Red Hat y no afecta el paquete anterior." } ], "id": "CVE-2023-4001", "lastModified": "2024-02-16T13:15:09.737", "metrics": { "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "exploitabilityScore": 0.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary" }, { "cvssData": { "attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "exploitabilityScore": 0.9, "impactScore": 5.9, "source": "secalert@redhat.com", "type": "Secondary" } ] }, "published": "2024-01-15T11:15:08.270", "references": [ { "source": "secalert@redhat.com", "tags": [ "Mailing List" ], "url": "http://www.openwall.com/lists/oss-security/2024/01/15/3" }, { "source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:0437" }, { "source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:0456" }, { "source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:0468" }, { "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/security/cve/CVE-2023-4001" }, { "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Vendor Advisory" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2224951" }, { "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ], "url": "https://dfir.ru/2024/01/15/cve-2023-4001-a-vulnerability-in-the-downstream-grub-boot-manager/" }, { "source": "secalert@redhat.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3OBADMKHQLJOBA32Q7XPNSYMVHVAFDCB/" }, { "source": "secalert@redhat.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CHLZQ47HM64NDOHMHYO7VIJFYD5ZPPYN/" }, { "source": "secalert@redhat.com", "url": "https://security.netapp.com/advisory/ntap-20240216-0006/" } ], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-290" } ], "source": "nvd@nist.gov", "type": "Primary" }, { "description": [ { "lang": "en", "value": "CWE-290" } ], "source": "secalert@redhat.com", "type": "Secondary" } ] } } } }
ghsa-rr4v-xrwq-7rhx
Vulnerability from github
Published
2024-01-15 12:30
Modified
2024-02-16 15:30
Severity ?
Details
An authentication bypass flaw was found in GRUB due to the way that GRUB uses the UUID of a device to search for the configuration file that contains the password hash for the GRUB password protection feature. An attacker capable of attaching an external drive such as a USB stick containing a file system with a duplicate UUID (the same as in the "/boot/" file system) can bypass the GRUB password protection feature on UEFI systems, which enumerate removable drives before non-removable ones. This issue was introduced in a downstream patch in Red Hat's version of grub2 and does not affect the upstream package.
{ "affected": [], "aliases": [ "CVE-2023-4001" ], "database_specific": { "cwe_ids": [ "CWE-290" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2024-01-15T11:15:08Z", "severity": "MODERATE" }, "details": "An authentication bypass flaw was found in GRUB due to the way that GRUB uses the UUID of a device to search for the configuration file that contains the password hash for the GRUB password protection feature. An attacker capable of attaching an external drive such as a USB stick containing a file system with a duplicate UUID (the same as in the \"/boot/\" file system) can bypass the GRUB password protection feature on UEFI systems, which enumerate removable drives before non-removable ones. This issue was introduced in a downstream patch in Red Hat\u0027s version of grub2 and does not affect the upstream package.", "id": "GHSA-rr4v-xrwq-7rhx", "modified": "2024-02-16T15:30:26Z", "published": "2024-01-15T12:30:20Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4001" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2024:0437" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2024:0456" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2024:0468" }, { "type": "WEB", "url": "https://access.redhat.com/security/cve/CVE-2023-4001" }, { "type": "WEB", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2224951" }, { "type": "WEB", "url": "https://dfir.ru/2024/01/15/cve-2023-4001-a-vulnerability-in-the-downstream-grub-boot-manager" }, { "type": "WEB", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3OBADMKHQLJOBA32Q7XPNSYMVHVAFDCB" }, { "type": "WEB", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CHLZQ47HM64NDOHMHYO7VIJFYD5ZPPYN" }, { "type": "WEB", "url": "https://security.netapp.com/advisory/ntap-20240216-0006" }, { "type": "WEB", "url": "http://www.openwall.com/lists/oss-security/2024/01/15/3" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N", "type": "CVSS_V3" } ] }
wid-sec-w-2024-0100
Vulnerability from csaf_certbund
Published
2024-01-15 23:00
Modified
2024-01-29 23:00
Summary
Grub: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
Grand Unified Bootloader (Grub) ist ein freies Bootloader-Programm des GNU Projekts.
Angriff
Ein lokaler Angreifer kann eine Schwachstelle in Grub ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
Betroffene Betriebssysteme
- Linux
{ "document": { "aggregate_severity": { "text": "mittel" }, "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "de-DE", "notes": [ { "category": "legal_disclaimer", "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen." }, { "category": "description", "text": "Grand Unified Bootloader (Grub) ist ein freies Bootloader-Programm des GNU Projekts.", "title": "Produktbeschreibung" }, { "category": "summary", "text": "Ein lokaler Angreifer kann eine Schwachstelle in Grub ausnutzen, um Sicherheitsvorkehrungen zu umgehen.", "title": "Angriff" }, { "category": "general", "text": "- Linux", "title": "Betroffene Betriebssysteme" } ], "publisher": { "category": "other", "contact_details": "csaf-provider@cert-bund.de", "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik", "namespace": "https://www.bsi.bund.de" }, "references": [ { "category": "self", "summary": "WID-SEC-W-2024-0100 - CSAF Version", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-0100.json" }, { "category": "self", "summary": "WID-SEC-2024-0100 - Portal Version", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-0100" }, { "category": "external", "summary": "GitHub Advisory Database vom 2024-01-15", "url": "https://github.com/advisories/GHSA-rr4v-xrwq-7rhx" }, { "category": "external", "summary": "My DFIR Blog vom 2024-01-15", "url": "https://dfir.ru/2024/01/15/cve-2023-4001-a-vulnerability-in-the-downstream-grub-boot-manager/" }, { "category": "external", "summary": "Fedora Security Advisory FEDORA-2024-53D986312E vom 2024-01-18", "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2024-53d986312e" }, { "category": "external", "summary": "Fedora Security Advisory FEDORA-2024-633DC7E183 vom 2024-01-18", "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2024-633dc7e183" }, { "category": "external", "summary": "RedHat Security Advisory", "url": "https://access.redhat.com/errata/RHSA-2024:0437" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2024:0456 vom 2024-01-25", "url": "https://access.redhat.com/errata/RHSA-2024:0456" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2024:0468 vom 2024-01-25", "url": "https://access.redhat.com/errata/RHSA-2024:0468" }, { "category": "external", "summary": "Oracle Linux Security Advisory ELSA-2024-0468 vom 2024-01-30", "url": "https://linux.oracle.com/errata/ELSA-2024-0468.html" } ], "source_lang": "en-US", "title": "Grub: Schwachstelle erm\u00f6glicht Umgehen von Sicherheitsvorkehrungen", "tracking": { "current_release_date": "2024-01-29T23:00:00.000+00:00", "generator": { "date": "2024-02-15T17:56:37.373+00:00", "engine": { "name": "BSI-WID", "version": "1.3.0" } }, "id": "WID-SEC-W-2024-0100", "initial_release_date": "2024-01-15T23:00:00.000+00:00", "revision_history": [ { "date": "2024-01-15T23:00:00.000+00:00", "number": "1", "summary": "Initiale Fassung" }, { "date": "2024-01-18T23:00:00.000+00:00", "number": "2", "summary": "Neue Updates von Fedora aufgenommen" }, { "date": "2024-01-24T23:00:00.000+00:00", "number": "3", "summary": "Neue Updates von Red Hat aufgenommen" }, { "date": "2024-01-25T23:00:00.000+00:00", "number": "4", "summary": "Neue Updates von Red Hat aufgenommen" }, { "date": "2024-01-29T23:00:00.000+00:00", "number": "5", "summary": "Neue Updates von Oracle Linux aufgenommen" } ], "status": "final", "version": "5" } }, "product_tree": { "branches": [ { "branches": [ { "category": "product_name", "name": "Fedora Linux", "product": { "name": "Fedora Linux", "product_id": "74185", "product_identification_helper": { "cpe": "cpe:/o:fedoraproject:fedora:-" } } } ], "category": "vendor", "name": "Fedora" }, { "branches": [ { "category": "product_name", "name": "Open Source Grub", "product": { "name": "Open Source Grub", "product_id": "T032040", "product_identification_helper": { "cpe": "cpe:/a:gnu:grub:-" } } } ], "category": "vendor", "name": "Open Source" }, { "branches": [ { "category": "product_name", "name": "Oracle Linux", "product": { "name": "Oracle Linux", "product_id": "T004914", "product_identification_helper": { "cpe": "cpe:/o:oracle:linux:-" } } } ], "category": "vendor", "name": "Oracle" }, { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux", "product": { "name": "Red Hat Enterprise Linux", "product_id": "67646", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:-" } } } ], "category": "vendor", "name": "Red Hat" } ] }, "vulnerabilities": [ { "cve": "CVE-2023-4001", "notes": [ { "category": "description", "text": "Es besteht eine Schwachstelle in Grub. Dieser Fehler besteht aufgrund eines unsachgem\u00e4\u00dfen Passwortschutzes, der es erlaubt, eine angeh\u00e4ngte externe Quelle zu verwenden, um die Konfigurationsdatei zu ersetzen, die den Passwort-Hash und eine duplizierte UUID enth\u00e4lt. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um die Passwortschutzfunktion zu umgehen." } ], "product_status": { "known_affected": [ "67646", "T032040", "T004914", "74185" ] }, "release_date": "2024-01-15T23:00:00Z", "title": "CVE-2023-4001" } ] }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.