gsd-2023-6397
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
A null pointer dereference vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1 and USG FLEX series firmware versions from 4.50 through 5.37 Patch 1 could allow a LAN-based attacker to cause denial-of-service (DoS) conditions by downloading a crafted RAR compressed file onto a LAN-side host if the firewall has the “Anti-Malware” feature enabled.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2023-6397",
"id": "GSD-2023-6397"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2023-6397"
],
"details": "\n\n\n\n\n\n\n\n\n\n\n\nA null pointer dereference vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1 and USG FLEX series firmware versions from 4.50 through 5.37 Patch 1 could allow a LAN-based attacker to cause denial-of-service (DoS) conditions by downloading a crafted RAR compressed file onto a LAN-side host if the firewall has the \u201cAnti-Malware\u201d feature enabled.\n\n\n\n",
"id": "GSD-2023-6397",
"modified": "2023-12-13T01:20:32.676264Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "security@zyxel.com.tw",
"ID": "CVE-2023-6397",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "ATP series firmware",
"version": {
"version_data": [
{
"version_affected": "=",
"version_value": "version 4.32 through 5.37 Patch 1"
}
]
}
},
{
"product_name": "USG FLEX series firmware",
"version": {
"version_data": [
{
"version_affected": "=",
"version_value": "version 4.50 through 5.37 Patch 1"
}
]
}
}
]
},
"vendor_name": "Zyxel"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "\n\n\n\n\n\n\n\n\n\n\n\nA null pointer dereference vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1 and USG FLEX series firmware versions from 4.50 through 5.37 Patch 1 could allow a LAN-based attacker to cause denial-of-service (DoS) conditions by downloading a crafted RAR compressed file onto a LAN-side host if the firewall has the \u201cAnti-Malware\u201d feature enabled.\n\n\n\n"
}
]
},
"generator": {
"engine": "Vulnogram 0.1.0-dev"
},
"impact": {
"cvss": [
{
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"cweId": "CWE-476",
"lang": "eng",
"value": "CWE-476 NULL Pointer Dereference"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps-02-20-2024",
"refsource": "MISC",
"url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps-02-20-2024"
}
]
},
"source": {
"discovery": "UNKNOWN"
}
},
"nvd.nist.gov": {
"cve": {
"descriptions": [
{
"lang": "en",
"value": "\n\n\n\n\n\n\n\n\n\n\n\nA null pointer dereference vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1 and USG FLEX series firmware versions from 4.50 through 5.37 Patch 1 could allow a LAN-based attacker to cause denial-of-service (DoS) conditions by downloading a crafted RAR compressed file onto a LAN-side host if the firewall has the \u201cAnti-Malware\u201d feature enabled.\n\n\n\n"
},
{
"lang": "es",
"value": "Una vulnerabilidad de desreferencia de puntero nulo en las versiones de firmware de la serie Zyxel ATP desde 4.32 hasta 5.37 parche 1 y en las versiones de firmware de la serie USG FLEX desde 4.50 hasta 5.37 parche 1 podr\u00eda permitir que un atacante basado en LAN provoque condiciones de denegaci\u00f3n de servicio (DoS) descargando un archivo comprimido RAR creado en un host del lado LAN si el firewall tiene habilitada la funci\u00f3n \u201cAnti-Malware\u201d."
}
],
"id": "CVE-2023-6397",
"lastModified": "2024-02-20T19:50:53.960",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6,
"source": "security@zyxel.com.tw",
"type": "Primary"
}
]
},
"published": "2024-02-20T02:15:48.793",
"references": [
{
"source": "security@zyxel.com.tw",
"url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps-02-20-2024"
}
],
"sourceIdentifier": "security@zyxel.com.tw",
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-476"
}
],
"source": "security@zyxel.com.tw",
"type": "Primary"
}
]
}
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- 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.