gsd-2023-40547
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
A remote code execution vulnerability was found in Shim. The Shim boot support trusts attacker-controlled values when parsing an HTTP response. This flaw allows an attacker to craft a specific malicious HTTP request, leading to a completely controlled out-of-bounds write primitive and complete system compromise.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2023-40547",
"id": "GSD-2023-40547"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2023-40547"
],
"details": "A remote code execution vulnerability was found in Shim. The Shim boot support trusts attacker-controlled values when parsing an HTTP response. This flaw allows an attacker to craft a specific malicious HTTP request, leading to a completely controlled out-of-bounds write primitive and complete system compromise.",
"id": "GSD-2023-40547",
"modified": "2023-12-13T01:20:43.652070Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "secalert@redhat.com",
"ID": "CVE-2023-40547",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"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": "affected",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:15.8-3.el7",
"versionType": "rpm"
}
]
}
},
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"defaultStatus": "affected",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:15.8-1.el7",
"versionType": "rpm"
}
]
}
}
]
}
},
{
"product_name": "Red Hat Enterprise Linux 8",
"version": {
"version_data": [
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"defaultStatus": "affected",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:15.8-4.el8_9",
"versionType": "rpm"
}
]
}
}
]
}
},
{
"product_name": "Red Hat Enterprise Linux 8.2 Advanced Update Support",
"version": {
"version_data": [
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"defaultStatus": "affected",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:15.8-2.el8_2",
"versionType": "rpm"
}
]
}
}
]
}
},
{
"product_name": "Red Hat Enterprise Linux 8.2 Telecommunications Update Service",
"version": {
"version_data": [
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"defaultStatus": "affected",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:15.8-2.el8_2",
"versionType": "rpm"
}
]
}
}
]
}
},
{
"product_name": "Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions",
"version": {
"version_data": [
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"defaultStatus": "affected",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:15.8-2.el8_2",
"versionType": "rpm"
}
]
}
}
]
}
},
{
"product_name": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
"version": {
"version_data": [
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"defaultStatus": "affected",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:15.8-2.el8_4",
"versionType": "rpm"
}
]
}
}
]
}
},
{
"product_name": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service",
"version": {
"version_data": [
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"defaultStatus": "affected",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:15.8-2.el8_4",
"versionType": "rpm"
}
]
}
}
]
}
},
{
"product_name": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions",
"version": {
"version_data": [
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"defaultStatus": "affected",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:15.8-2.el8_4",
"versionType": "rpm"
}
]
}
}
]
}
},
{
"product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support",
"version": {
"version_data": [
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"defaultStatus": "affected",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:15.8-2.el8",
"versionType": "rpm"
}
]
}
},
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"defaultStatus": "affected",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:15.8-2.el8",
"versionType": "rpm"
}
]
}
}
]
}
},
{
"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": "0:15.8-4.el9_3",
"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": "0:15.8-3.el9",
"versionType": "rpm"
}
]
}
},
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"defaultStatus": "affected",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:15.8-2.el9",
"versionType": "rpm"
}
]
}
},
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"defaultStatus": "affected",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:15.8-2.el9",
"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": "0:15.8-3.el9_2",
"versionType": "rpm"
}
]
}
}
]
}
}
]
},
"vendor_name": "Red Hat"
}
]
}
},
"credits": [
{
"lang": "en",
"value": "Red Hat would like to thank Bill Demirkapi (Microsoft Security Response Center) for reporting this issue."
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A remote code execution vulnerability was found in Shim. The Shim boot support trusts attacker-controlled values when parsing an HTTP response. This flaw allows an attacker to craft a specific malicious HTTP request, leading to a completely controlled out-of-bounds write primitive and complete system compromise. This flaw is only exploitable during the early boot phase, an attacker needs to perform a Man-in-the-Middle or compromise the boot server to be able to exploit this vulnerability successfully."
}
]
},
"impact": {
"cvss": [
{
"attackComplexity": "HIGH",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.3,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"cweId": "CWE-125",
"lang": "eng",
"value": "Out-of-bounds Read"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "http://www.openwall.com/lists/oss-security/2024/01/26/1",
"refsource": "MISC",
"url": "http://www.openwall.com/lists/oss-security/2024/01/26/1"
},
{
"name": "https://access.redhat.com/errata/RHSA-2024:1834",
"refsource": "MISC",
"url": "https://access.redhat.com/errata/RHSA-2024:1834"
},
{
"name": "https://access.redhat.com/errata/RHSA-2024:1835",
"refsource": "MISC",
"url": "https://access.redhat.com/errata/RHSA-2024:1835"
},
{
"name": "https://access.redhat.com/errata/RHSA-2024:1873",
"refsource": "MISC",
"url": "https://access.redhat.com/errata/RHSA-2024:1873"
},
{
"name": "https://access.redhat.com/errata/RHSA-2024:1876",
"refsource": "MISC",
"url": "https://access.redhat.com/errata/RHSA-2024:1876"
},
{
"name": "https://access.redhat.com/errata/RHSA-2024:1883",
"refsource": "MISC",
"url": "https://access.redhat.com/errata/RHSA-2024:1883"
},
{
"name": "https://access.redhat.com/errata/RHSA-2024:1902",
"refsource": "MISC",
"url": "https://access.redhat.com/errata/RHSA-2024:1902"
},
{
"name": "https://access.redhat.com/errata/RHSA-2024:1903",
"refsource": "MISC",
"url": "https://access.redhat.com/errata/RHSA-2024:1903"
},
{
"name": "https://access.redhat.com/errata/RHSA-2024:1959",
"refsource": "MISC",
"url": "https://access.redhat.com/errata/RHSA-2024:1959"
},
{
"name": "https://access.redhat.com/security/cve/CVE-2023-40547",
"refsource": "MISC",
"url": "https://access.redhat.com/security/cve/CVE-2023-40547"
},
{
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=2234589",
"refsource": "MISC",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2234589"
}
]
},
"work_around": [
{
"lang": "en",
"value": "If a system isn\u2019t required to boot from the network, configure the server\u2019s boot order to disable entirely or skip the network boot."
}
]
},
"nvd.nist.gov": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redhat:shim:*:*:*:*:*:*:*:*",
"matchCriteriaId": "01639865-3664-4034-BCFB-F4E09AF37F28",
"versionEndExcluding": "15.8",
"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:9.0:*:*:*:*:*:*:*",
"matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A remote code execution vulnerability was found in Shim. The Shim boot support trusts attacker-controlled values when parsing an HTTP response. This flaw allows an attacker to craft a specific malicious HTTP request, leading to a completely controlled out-of-bounds write primitive and complete system compromise. This flaw is only exploitable during the early boot phase, an attacker needs to perform a Man-in-the-Middle or compromise the boot server to be able to exploit this vulnerability successfully."
},
{
"lang": "es",
"value": "Se encontr\u00f3 una vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo en Shim. El soporte de arranque Shim conf\u00eda en los valores controlados por el atacante al analizar una respuesta HTTP. Este fallo permite a un atacante manipular una solicitud HTTP maliciosa espec\u00edfica, lo que lleva a una escritura fuera de los l\u00edmites completamente controlada primitiva y a un compromiso completo del sistema."
}
],
"id": "CVE-2023-40547",
"lastModified": "2024-04-25T14:15:08.447",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.3,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.6,
"impactScore": 6.0,
"source": "nvd@nist.gov",
"type": "Primary"
},
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.3,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.6,
"impactScore": 6.0,
"source": "secalert@redhat.com",
"type": "Secondary"
}
]
},
"published": "2024-01-25T16:15:07.717",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
"Mailing List",
"Patch",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2024/01/26/1"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2024:1834"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2024:1835"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2024:1873"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2024:1876"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2024:1883"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2024:1902"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2024:1903"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2024:1959"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "https://access.redhat.com/security/cve/CVE-2023-40547"
},
{
"source": "secalert@redhat.com",
"tags": [
"Issue Tracking",
"Vendor Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2234589"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-125"
}
],
"source": "secalert@redhat.com",
"type": "Primary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-346"
},
{
"lang": "en",
"value": "CWE-787"
}
],
"source": "nvd@nist.gov",
"type": "Secondary"
}
]
}
}
}
}
Loading...
Loading...
Sightings
| Author | Source | Type | Date |
|---|
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.