cvelist/2023/4xxx/CVE-2023-4693.json

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{
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"data_version": "4.0",
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"data_type": "CVE",
"data_format": "MITRE",
"CVE_data_meta": {
"ID": "CVE-2023-4693",
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"ASSIGNER": "secalert@redhat.com",
"STATE": "PUBLIC"
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},
"description": {
"description_data": [
{
"lang": "eng",
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"value": "An out-of-bounds read flaw was found on grub2's NTFS filesystem driver. This issue may allow a physically present attacker to present a specially crafted NTFS file system image to read arbitrary memory locations. A successful attack allows sensitive data cached in memory or EFI variable values to be leaked, presenting a high Confidentiality risk."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Out-of-bounds Read",
"cweId": "CWE-125"
}
]
}
]
},
"affects": {
"vendor": {
"vendor_data": [
{
"vendor_name": "n/a",
"product": {
"product_data": [
{
"product_name": "grub2",
"version": {
"version_data": [
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"defaultStatus": "affected"
}
}
]
}
}
]
}
},
{
"vendor_name": "Red Hat",
"product": {
"product_data": [
{
"product_name": "Red Hat Enterprise Linux 7",
"version": {
"version_data": [
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"defaultStatus": "unknown"
}
}
]
}
},
{
"product_name": "Red Hat Enterprise Linux 8",
"version": {
"version_data": [
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"defaultStatus": "affected"
}
}
]
}
},
{
"product_name": "Red Hat Enterprise Linux 9",
"version": {
"version_data": [
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"defaultStatus": "affected"
}
}
]
}
}
]
}
},
{
"vendor_name": "Fedora",
"product": {
"product_data": [
{
"product_name": "Fedora",
"version": {
"version_data": [
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"defaultStatus": "affected"
}
}
]
}
}
]
}
}
]
}
},
"references": {
"reference_data": [
{
"url": "https://access.redhat.com/security/cve/CVE-2023-4693",
"refsource": "MISC",
"name": "https://access.redhat.com/security/cve/CVE-2023-4693"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2238343",
"refsource": "MISC",
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=2238343"
},
{
"url": "https://dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/",
"refsource": "MISC",
"name": "https://dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/"
},
{
"url": "https://lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html",
"refsource": "MISC",
"name": "https://lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html"
},
{
"url": "https://seclists.org/oss-sec/2023/q4/37",
"refsource": "MISC",
"name": "https://seclists.org/oss-sec/2023/q4/37"
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},
{
"url": "https://security.gentoo.org/glsa/202311-14",
"refsource": "MISC",
"name": "https://security.gentoo.org/glsa/202311-14"
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},
{
"url": "https://security.netapp.com/advisory/ntap-20231208-0002/",
"refsource": "MISC",
"name": "https://security.netapp.com/advisory/ntap-20231208-0002/"
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}
]
},
"impact": {
"cvss": [
{
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N",
"version": "3.1"
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}
]
}
}