cve-2020-1992
Vulnerability from cvelistv5
Published
2020-04-08 18:41
Modified
2024-09-17 03:44
Summary
A format string vulnerability in the Varrcvr daemon of PAN-OS on PA-7000 Series devices with a Log Forwarding Card (LFC) allows remote attackers to crash the daemon creating a denial of service condition or potentially execute code with root privileges. This issue affects Palo Alto Networks PAN-OS 9.0 versions before 9.0.7; PAN-OS 9.1 versions before 9.1.2 on PA-7000 Series devices with an LFC installed and configured. This issue requires WildFire services to be configured and enabled. This issue does not affect PAN-OS 8.1 and earlier releases. This issue does not affect any other PA Series firewalls.
Impacted products
Show details on NVD website


{
   containers: {
      adp: [
         {
            providerMetadata: {
               dateUpdated: "2024-08-04T06:54:00.532Z",
               orgId: "af854a3a-2127-422b-91ae-364da2661108",
               shortName: "CVE",
            },
            references: [
               {
                  tags: [
                     "x_refsource_MISC",
                     "x_transferred",
                  ],
                  url: "https://security.paloaltonetworks.com/CVE-2020-1992",
               },
            ],
            title: "CVE Program Container",
         },
      ],
      cna: {
         affected: [
            {
               platforms: [
                  "PA-7000 series with LFC",
               ],
               product: "PAN-OS",
               vendor: "Palo Alto Networks",
               versions: [
                  {
                     changes: [
                        {
                           at: "9.0.7",
                           status: "unaffected",
                        },
                     ],
                     lessThan: "9.0.7",
                     status: "affected",
                     version: "9.0",
                     versionType: "custom",
                  },
                  {
                     changes: [
                        {
                           at: "9.1.2",
                           status: "unaffected",
                        },
                     ],
                     lessThan: "9.1.2",
                     status: "affected",
                     version: "9.1",
                     versionType: "custom",
                  },
               ],
            },
            {
               product: "PAN-OS",
               vendor: "Palo Alto Networks",
               versions: [
                  {
                     status: "unaffected",
                     version: "8.1.*",
                  },
                  {
                     status: "unaffected",
                     version: "8.0.*",
                  },
                  {
                     status: "unaffected",
                     version: "7.1.*",
                  },
               ],
            },
         ],
         configurations: [
            {
               lang: "en",
               value: "This issue requires WildFire services to be configured and enabled.",
            },
         ],
         credits: [
            {
               lang: "en",
               value: "This issue was found by a customer.",
            },
         ],
         datePublic: "2020-04-08T00:00:00",
         descriptions: [
            {
               lang: "en",
               value: "A format string vulnerability in the Varrcvr daemon of PAN-OS on PA-7000 Series devices with a Log Forwarding Card (LFC) allows remote attackers to crash the daemon creating a denial of service condition or potentially execute code with root privileges. This issue affects Palo Alto Networks PAN-OS 9.0 versions before 9.0.7; PAN-OS 9.1 versions before 9.1.2 on PA-7000 Series devices with an LFC installed and configured. This issue requires WildFire services to be configured and enabled. This issue does not affect PAN-OS 8.1 and earlier releases. This issue does not affect any other PA Series firewalls.",
            },
         ],
         metrics: [
            {
               cvssV3_1: {
                  attackComplexity: "HIGH",
                  attackVector: "NETWORK",
                  availabilityImpact: "HIGH",
                  baseScore: 8.1,
                  baseSeverity: "HIGH",
                  confidentialityImpact: "HIGH",
                  integrityImpact: "HIGH",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  version: "3.1",
               },
            },
         ],
         problemTypes: [
            {
               descriptions: [
                  {
                     cweId: "CWE-134",
                     description: "CWE-134 Use of Externally-Controlled Format String",
                     lang: "en",
                     type: "CWE",
                  },
               ],
            },
         ],
         providerMetadata: {
            dateUpdated: "2020-04-08T18:41:58",
            orgId: "d6c1279f-00f6-4ef7-9217-f89ffe703ec0",
            shortName: "palo_alto",
         },
         references: [
            {
               tags: [
                  "x_refsource_MISC",
               ],
               url: "https://security.paloaltonetworks.com/CVE-2020-1992",
            },
         ],
         solutions: [
            {
               lang: "en",
               value: "This issue is fixed in PAN-OS 9.0.7, PAN-OS 9.1.2 and all later versions.",
            },
         ],
         source: {
            defect: [
               "PAN-135103",
            ],
            discovery: "USER",
         },
         timeline: [
            {
               lang: "en",
               time: "2020-04-08T00:00:00",
               value: "Initial publication",
            },
         ],
         title: "PAN-OS on PA-7000 Series: Varrcvr daemon network-based denial of service or privilege escalation",
         workarounds: [
            {
               lang: "en",
               value: "There are no viable workarounds for this issue.",
            },
         ],
         x_generator: {
            engine: "Vulnogram 0.0.9",
         },
         x_legacyV4Record: {
            CVE_data_meta: {
               ASSIGNER: "psirt@paloaltonetworks.com",
               DATE_PUBLIC: "2020-04-08T16:00:00.000Z",
               ID: "CVE-2020-1992",
               STATE: "PUBLIC",
               TITLE: "PAN-OS on PA-7000 Series: Varrcvr daemon network-based denial of service or privilege escalation",
            },
            affects: {
               vendor: {
                  vendor_data: [
                     {
                        product: {
                           product_data: [
                              {
                                 product_name: "PAN-OS",
                                 version: {
                                    version_data: [
                                       {
                                          platform: "PA-7000 series with LFC",
                                          version_affected: "<",
                                          version_name: "9.0",
                                          version_value: "9.0.7",
                                       },
                                       {
                                          platform: "PA-7000 series with LFC",
                                          version_affected: "<",
                                          version_name: "9.1",
                                          version_value: "9.1.2",
                                       },
                                       {
                                          platform: "PA-7000 series with LFC",
                                          version_affected: "!>=",
                                          version_name: "9.0",
                                          version_value: "9.0.7",
                                       },
                                       {
                                          platform: "PA-7000 series with LFC",
                                          version_affected: "!>=",
                                          version_name: "9.1",
                                          version_value: "9.1.2",
                                       },
                                       {
                                          version_affected: "!",
                                          version_name: "8.1",
                                          version_value: "8.1.*",
                                       },
                                       {
                                          version_affected: "!",
                                          version_name: "8.0",
                                          version_value: "8.0.*",
                                       },
                                       {
                                          version_affected: "!",
                                          version_name: "7.1",
                                          version_value: "7.1.*",
                                       },
                                    ],
                                 },
                              },
                           ],
                        },
                        vendor_name: "Palo Alto Networks",
                     },
                  ],
               },
            },
            configuration: [
               {
                  lang: "en",
                  value: "This issue requires WildFire services to be configured and enabled.",
               },
            ],
            credit: [
               {
                  lang: "eng",
                  value: "This issue was found by a customer.",
               },
            ],
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "eng",
                     value: "A format string vulnerability in the Varrcvr daemon of PAN-OS on PA-7000 Series devices with a Log Forwarding Card (LFC) allows remote attackers to crash the daemon creating a denial of service condition or potentially execute code with root privileges. This issue affects Palo Alto Networks PAN-OS 9.0 versions before 9.0.7; PAN-OS 9.1 versions before 9.1.2 on PA-7000 Series devices with an LFC installed and configured. This issue requires WildFire services to be configured and enabled. This issue does not affect PAN-OS 8.1 and earlier releases. This issue does not affect any other PA Series firewalls.",
                  },
               ],
            },
            generator: {
               engine: "Vulnogram 0.0.9",
            },
            impact: {
               cvss: {
                  attackComplexity: "HIGH",
                  attackVector: "NETWORK",
                  availabilityImpact: "HIGH",
                  baseScore: 8.1,
                  baseSeverity: "HIGH",
                  confidentialityImpact: "HIGH",
                  integrityImpact: "HIGH",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  version: "3.1",
               },
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "eng",
                           value: "CWE-134 Use of Externally-Controlled Format String",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://security.paloaltonetworks.com/CVE-2020-1992",
                     refsource: "MISC",
                     url: "https://security.paloaltonetworks.com/CVE-2020-1992",
                  },
               ],
            },
            solution: [
               {
                  lang: "en",
                  value: "This issue is fixed in PAN-OS 9.0.7, PAN-OS 9.1.2 and all later versions.",
               },
            ],
            source: {
               defect: [
                  "PAN-135103",
               ],
               discovery: "USER",
            },
            timeline: [
               {
                  lang: "en",
                  time: "2020-04-08T00:00:00",
                  value: "Initial publication",
               },
            ],
            work_around: [
               {
                  lang: "en",
                  value: "There are no viable workarounds for this issue.",
               },
            ],
         },
      },
   },
   cveMetadata: {
      assignerOrgId: "d6c1279f-00f6-4ef7-9217-f89ffe703ec0",
      assignerShortName: "palo_alto",
      cveId: "CVE-2020-1992",
      datePublished: "2020-04-08T18:41:58.564278Z",
      dateReserved: "2019-12-04T00:00:00",
      dateUpdated: "2024-09-17T03:44:20.914Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
   "vulnerability-lookup:meta": {
      nvd: "{\"cve\":{\"id\":\"CVE-2020-1992\",\"sourceIdentifier\":\"psirt@paloaltonetworks.com\",\"published\":\"2020-04-08T19:15:14.213\",\"lastModified\":\"2024-11-21T05:11:48.233\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A format string vulnerability in the Varrcvr daemon of PAN-OS on PA-7000 Series devices with a Log Forwarding Card (LFC) allows remote attackers to crash the daemon creating a denial of service condition or potentially execute code with root privileges. This issue affects Palo Alto Networks PAN-OS 9.0 versions before 9.0.7; PAN-OS 9.1 versions before 9.1.2 on PA-7000 Series devices with an LFC installed and configured. This issue requires WildFire services to be configured and enabled. This issue does not affect PAN-OS 8.1 and earlier releases. This issue does not affect any other PA Series firewalls.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de cadena de formato en el demonio Varrcvr de PAN-OS en dispositivos PA-7000 Series con Log Forwarding Card (LFC), permite a atacantes remotos bloquear el demonio creando una condición de denegación de servicio o potencialmente ejecutar código con privilegios root. Este problema afecta a Palo Alto Networks PAN-OS versiones 9.0 anteriores a 9.0.7; versiones PAN-OS 9.1 anteriores a 9.1.2 en dispositivos PA-7000 Series con un LFC instalado y configurado. Este problema requiere que los servicios WildFire estén configurados y habilitados. Este problema no afecta a PAN-OS versiones 8.1 y anteriores. Este problema no afecta a ningún otro firewall de PA Series.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@paloaltonetworks.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.2,\"impactScore\":5.9},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:C/I:C/A:C\",\"baseScore\":9.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":8.6,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"psirt@paloaltonetworks.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-134\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-134\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"9.0.0\",\"versionEndExcluding\":\"9.0.7\",\"matchCriteriaId\":\"215D027B-4831-4BB9-8CEF-D5657D27EE9C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"9.1.0\",\"versionEndExcluding\":\"9.1.2\",\"matchCriteriaId\":\"393C1028-D9B7-4CB3-96F7-5675D79525CD\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:paloaltonetworks:pa-7050:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1536A4E4-D769-45C8-B85C-4A1A4F4AAEC0\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:paloaltonetworks:pa-7080:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"01AEF722-2554-4B30-8821-84B20F3BA8CC\"}]}]}],\"references\":[{\"url\":\"https://security.paloaltonetworks.com/CVE-2020-1992\",\"source\":\"psirt@paloaltonetworks.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://security.paloaltonetworks.com/CVE-2020-1992\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
   },
}


Log in or create an account to share your comment.

Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.


Loading…

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.