CVE-2022-0028
Vulnerability from cvelistv5
Published
2022-08-10 16:00
Modified
2024-09-16 23:56
Severity ?
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Summary
PAN-OS: Reflected Amplification Denial-of-Service (DoS) Vulnerability in URL Filtering
References
psirt@paloaltonetworks.comhttps://security.paloaltonetworks.com/CVE-2022-0028Mitigation, Third Party Advisory
Impacted products
Palo Alto NetworksCloud NGFW
Palo Alto NetworksPAN-OS
Palo Alto NetworksPrisma Access
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog

Date added: 2022-08-22

Due date: 2022-09-12

Required action: Apply updates per vendor instructions.

Used in ransomware: Unknown

Notes: https://security.paloaltonetworks.com/CVE-2022-0028; https://nvd.nist.gov/vuln/detail/CVE-2022-0028

Show details on NVD website

To clipboard 

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            "value": "If you have a URL filtering policy with one or more blocked categories assigned to a source zone that has an external facing network interface, removing this configuration will prevent this issue from being exploited by remote attackers to conduct reflected DoS.\n\nTo prevent denial-of-service (DoS) attacks resulting from this issue from all sources, you can configure your Palo Alto Networks firewalls by enabling one of two zone protection mitigations on all Security zones with an assigned Security policy that includes a URL filtering profile:\n\n1. Packet-based attack protection including both (Packet Based Attack Protection \u003e TCP Drop \u003e TCP SYN with Data) and (Packet Based Attack Protection \u003e TCP Drop \u003e Strip TCP Options \u003e TCP Fast Open);\nOR\n2. Flood protection (Flood Protection \u003e SYN \u003e Action \u003e SYN Cookie) with an activation threshold of 0 connections.\n\nNOTES:\n1. It is not necessary nor advantageous to apply both the attack and flood protections. \n2. (Palo Alto Networks Aporeto software only) You should not enable either of these protections if using Aporeto software; instead, wait for and install a fixed version of PAN-OS software.\n\nPacket-Based Attack Protection Workaround (Recommended)\n\nFollow the technical documentation to configure packet-based attack protection options for all defined Security zones with URL filtering enabled in the Security profile for that zone:\nhttps://docs.paloaltonetworks.com/pan-os/10-2/pan-os-admin/zone-protection-and-dos-protection/configure-zone-protection-to-increase-network-security/configure-packet-based-attack-protection\n\nThe packet-based attack protection workaround will prevent the firewall from establishing TCP sessions in impacted zones when the TCP SYN packet contains data in the three-way handshake for a TCP session. Please note that this workaround may disrupt applications that use TCP Fast Open in the zone.\n\nFlood Protection (Alternate) Workaround\n\nIf you instead decide to enable the flood protection workaround, first make sure you understand how  enabling SYN cookies will change traffic flow in the impacted zones:\nhttps://docs.paloaltonetworks.com/pan-os/10-2/pan-os-admin/zone-protection-and-dos-protection/zone-defense/zone-protection-profiles/flood-protection"
          }
        ],
        "x_advisoryEoL": false,
        "x_affectedList": [
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          "PAN-OS 10.2.0",
          "PAN-OS 10.2",
          "PAN-OS 10.1.6-h5",
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          "PAN-OS 10.1.6-h2",
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          "PAN-OS 9.0.8",
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          "PAN-OS 9.0.6",
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0",
    "assignerShortName": "palo_alto",
    "cveId": "CVE-2022-0028",
    "datePublished": "2022-08-10T16:00:16.743987Z",
    "dateReserved": "2021-12-28T00:00:00",
    "dateUpdated": "2024-09-16T23:56:00.722Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "cisa_known_exploited": {
      "cveID": "CVE-2022-0028",
      "cwes": "[\"CWE-940\"]",
      "dateAdded": "2022-08-22",
      "dueDate": "2022-09-12",
      "knownRansomwareCampaignUse": "Unknown",
      "notes": "https://security.paloaltonetworks.com/CVE-2022-0028; https://nvd.nist.gov/vuln/detail/CVE-2022-0028",
      "product": "PAN-OS",
      "requiredAction": "Apply updates per vendor instructions.",
      "shortDescription": "A Palo Alto Networks PAN-OS URL filtering policy misconfiguration could allow a network-based attacker to conduct reflected and amplified TCP denial-of-service (RDoS) attacks.",
      "vendorProject": "Palo Alto Networks",
      "vulnerabilityName": "Palo Alto Networks PAN-OS Reflected Amplification Denial-of-Service Vulnerability"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-0028\",\"sourceIdentifier\":\"psirt@paloaltonetworks.com\",\"published\":\"2022-08-10T16:15:08.343\",\"lastModified\":\"2022-08-24T13:26:20.060\",\"vulnStatus\":\"Analyzed\",\"cisaExploitAdd\":\"2022-08-22\",\"cisaActionDue\":\"2022-09-12\",\"cisaRequiredAction\":\"Apply updates per vendor instructions.\",\"cisaVulnerabilityName\":\"Palo Alto Networks PAN-OS Reflected Amplification Denial-of-Service Vulnerability\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"A PAN-OS URL filtering policy misconfiguration could allow a network-based attacker to conduct reflected and amplified TCP denial-of-service (RDoS) attacks. The DoS attack would appear to originate from a Palo Alto Networks PA-Series (hardware), VM-Series (virtual) and CN-Series (container) firewall against an attacker-specified target. To be misused by an external attacker, the firewall configuration must have a URL filtering profile with one or more blocked categories assigned to a source zone that has an external facing interface. This configuration is not typical for URL filtering and, if set, is likely unintended by the administrator. If exploited, this issue would not impact the confidentiality, integrity, or availability of our products. However, the resulting denial-of-service (DoS) attack may help obfuscate the identity of the attacker and implicate the firewall as the source of the attack. We have taken prompt action to address this issue in our PAN-OS software. All software updates for this issue are expected to be released no later than the week of August 15, 2022. This issue does not impact Panorama M-Series or Panorama virtual appliances. This issue has been resolved for all Cloud NGFW and Prisma Access customers and no additional action is required from them.\"},{\"lang\":\"es\",\"value\":\"Una mala configuraci\u00f3n de la pol\u00edtica de filtrado de URL de PAN-OS podr\u00eda permitir a un atacante basado en la red conducir ataques de denegaci\u00f3n de servicio TCP reflejados y amplificados (RDoS). El ataque de denegaci\u00f3n de servicio parecer\u00eda originarse desde un firewall de la serie PA (hardware), la serie VM (virtual) y la serie CN (contenedor) de Palo Alto Networks contra un objetivo especificado por el atacante. Para que un atacante externo haga un uso no debido, la configuraci\u00f3n del firewall debe tener un perfil de filtrado de URL con una o m\u00e1s categor\u00edas bloqueadas asignadas a una zona de origen que tenga una interfaz de cara al exterior. Esta configuraci\u00f3n no es t\u00edpica para el filtrado de URL y, si es establecido, es probable que no sea intencionada por el administrador. Si es explotado, este problema no afectar\u00eda a la confidencialidad, integridad o disponibilidad de nuestros productos. Sin embargo, el ataque de denegaci\u00f3n de servicio (DoS) resultando puede ayudar a ofuscar la identidad del atacante e implicar al firewall como la fuente del ataque. Hemos tomado medidas r\u00e1pidas para abordar este problema en nuestro software PAN-OS. Es esperado que todas las actualizaciones de software para este problema sean publicadas a m\u00e1s tardar en la semana del 15 de agosto de 2022. Este problema no afecta a dispositivos virtuales de Panorama M-Series o Panorama. Este problema ha sido resuelto para todos los clientes de Cloud NGFW y Prisma Access y no es requerida ninguna acci\u00f3n adicional por su parte\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.6,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":4.0},{\"source\":\"psirt@paloaltonetworks.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.6,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":4.0}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-Other\"}]},{\"source\":\"psirt@paloaltonetworks.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-406\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.1\",\"versionEndExcluding\":\"8.1.23-h1\",\"matchCriteriaId\":\"D9D5CD3F-8347-4C94-8B72-9B1C7FD3A984\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"9.0\",\"versionEndExcluding\":\"9.0.16-h3\",\"matchCriteriaId\":\"3BF79438-71C0-4F1B-8FB0-A4E684C91F11\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"9.1\",\"versionEndExcluding\":\"9.1.14-h4\",\"matchCriteriaId\":\"7532CAA4-CB31-4E6E-857E-8B4B8154B6FB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"10.0\",\"versionEndExcluding\":\"10.0.11-h1\",\"matchCriteriaId\":\"22F27D6B-A721-4566-B4FE-1E7810CB5A3A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"10.1\",\"versionEndExcluding\":\"10.1.6-h6\",\"matchCriteriaId\":\"E268991D-F56F-4378-83BB-122698EA36FD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"10.2\",\"versionEndExcluding\":\"10.2.2-h2\",\"matchCriteriaId\":\"FBE926B3-4C83-4242-942C-1264467E40C7\"}]}]}],\"references\":[{\"url\":\"https://security.paloaltonetworks.com/CVE-2022-0028\",\"source\":\"psirt@paloaltonetworks.com\",\"tags\":[\"Mitigation\",\"Third Party Advisory\"]}]}}"
  }
}


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