gsd-2020-2040
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
A buffer overflow vulnerability in PAN-OS allows an unauthenticated attacker to disrupt system processes and potentially execute arbitrary code with root privileges by sending a malicious request to the Captive Portal or Multi-Factor Authentication interface. This issue impacts: All versions of PAN-OS 8.0; PAN-OS 8.1 versions earlier than PAN-OS 8.1.15; PAN-OS 9.0 versions earlier than PAN-OS 9.0.9; PAN-OS 9.1 versions earlier than PAN-OS 9.1.3.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-2040",
"description": "A buffer overflow vulnerability in PAN-OS allows an unauthenticated attacker to disrupt system processes and potentially execute arbitrary code with root privileges by sending a malicious request to the Captive Portal or Multi-Factor Authentication interface. This issue impacts: All versions of PAN-OS 8.0; PAN-OS 8.1 versions earlier than PAN-OS 8.1.15; PAN-OS 9.0 versions earlier than PAN-OS 9.0.9; PAN-OS 9.1 versions earlier than PAN-OS 9.1.3.",
"id": "GSD-2020-2040"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
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],
"details": "A buffer overflow vulnerability in PAN-OS allows an unauthenticated attacker to disrupt system processes and potentially execute arbitrary code with root privileges by sending a malicious request to the Captive Portal or Multi-Factor Authentication interface. This issue impacts: All versions of PAN-OS 8.0; PAN-OS 8.1 versions earlier than PAN-OS 8.1.15; PAN-OS 9.0 versions earlier than PAN-OS 9.0.9; PAN-OS 9.1 versions earlier than PAN-OS 9.1.3.",
"id": "GSD-2020-2040",
"modified": "2023-12-13T01:21:51.010642Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
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"ASSIGNER": "psirt@paloaltonetworks.com",
"DATE_PUBLIC": "2020-09-09T16:00:00.000Z",
"ID": "CVE-2020-2040",
"STATE": "PUBLIC",
"TITLE": "PAN-OS: Buffer overflow when Captive Portal or Multi-Factor Authentication (MFA) is enabled"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "PAN-OS",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "9.0",
"version_value": "9.0.9"
},
{
"version_affected": "\u003c",
"version_name": "9.1",
"version_value": "9.1.3"
},
{
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"version_value": "8.1.15"
},
{
"version_affected": "!\u003e=",
"version_name": "9.0",
"version_value": "9.0.9"
},
{
"version_affected": "!\u003e=",
"version_name": "9.1",
"version_value": "9.1.3"
},
{
"version_affected": "!\u003e=",
"version_name": "8.1",
"version_value": "8.1.15"
},
{
"version_affected": "=",
"version_name": "8.0",
"version_value": "8.0.*"
},
{
"version_affected": "!\u003e=",
"version_name": "10.0",
"version_value": "10.0.0"
}
]
}
}
]
},
"vendor_name": "Palo Alto Networks"
}
]
}
},
"configuration": [
{
"lang": "eng",
"value": "This issue is applicable only where either Captive Portal or Multi-Factor Authentication (MFA) is enabled."
}
],
"credit": [
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"lang": "eng",
"value": "This issue was found by Yamata Li of Palo Alto Networks during internal security review."
}
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"value": "A buffer overflow vulnerability in PAN-OS allows an unauthenticated attacker to disrupt system processes and potentially execute arbitrary code with root privileges by sending a malicious request to the Captive Portal or Multi-Factor Authentication interface. This issue impacts: All versions of PAN-OS 8.0; PAN-OS 8.1 versions earlier than PAN-OS 8.1.15; PAN-OS 9.0 versions earlier than PAN-OS 9.0.9; PAN-OS 9.1 versions earlier than PAN-OS 9.1.3."
}
]
},
"exploit": [
{
"lang": "eng",
"value": "Palo Alto Networks is not aware of any malicious attempts to exploit this vulnerability."
}
],
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
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"lang": "eng",
"value": "CWE-120 Buffer Overflow"
}
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{
"name": "https://security.paloaltonetworks.com/CVE-2020-2040",
"refsource": "MISC",
"url": "https://security.paloaltonetworks.com/CVE-2020-2040"
}
]
},
"solution": [
{
"lang": "eng",
"value": "This issue is fixed in PAN-OS 8.1.15, PAN-OS 9.0.9, PAN-OS 9.1.3, and all later PAN-OS versions.\n\nAll Prisma Access services are now upgraded to resolve this issue and are no longer vulnerable.\n\nPAN-OS 7.1 and 8.0 are end-of-life and are no longer covered by our Product Security Assurance policies."
}
],
"source": {
"defect": [
"PAN-145149",
"PAN-145150",
"PAN-145151",
"PAN-145195"
],
"discovery": "INTERNAL"
},
"timeline": [
{
"lang": "eng",
"time": "2020-09-09T16:00:00.000Z",
"value": "Initial publication"
}
],
"work_around": [
{
"lang": "eng",
"value": "Until PAN-OS software is upgraded to a fixed version, enabling signatures in content update version 8317 will block attacks against CVE-2020-2040."
}
]
},
"nvd.nist.gov": {
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{
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"ID": "CVE-2020-2040"
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"value": "A buffer overflow vulnerability in PAN-OS allows an unauthenticated attacker to disrupt system processes and potentially execute arbitrary code with root privileges by sending a malicious request to the Captive Portal or Multi-Factor Authentication interface. This issue impacts: All versions of PAN-OS 8.0; PAN-OS 8.1 versions earlier than PAN-OS 8.1.15; PAN-OS 9.0 versions earlier than PAN-OS 9.0.9; PAN-OS 9.1 versions earlier than PAN-OS 9.1.3."
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"refsource": "MISC",
"tags": [
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},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 10.0,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
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"exploitabilityScore": 10.0,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "HIGH",
"userInteractionRequired": false
},
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"attackVector": "NETWORK",
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"impactScore": 5.9
}
},
"lastModifiedDate": "2020-09-15T18:04Z",
"publishedDate": "2020-09-09T17:15Z"
}
}
}
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