{"containers":{"cna":{"affected":[{"product":"PAN-OS","vendor":"Palo Alto Networks","versions":[{"status":"unaffected","version":"9.0.*"},{"status":"unaffected","version":"8.1.*"},{"changes":[{"at":"9.1.3","status":"unaffected"}],"lessThan":"9.1.3","status":"affected","version":"9.1","versionType":"custom"}]}],"credits":[{"lang":"en","value":"This issue was discovered by Jin Chen of Palo Alto Networks during internal security review."}],"datePublic":"2020-07-08T00:00:00.000Z","descriptions":[{"lang":"en","value":"An integer underflow vulnerability in the dnsproxyd component of the PAN-OS management interface allows authenticated administrators to issue a command from the command line interface that causes the component to stop responding. Repeated attempts to send this request result in denial of service to all PAN-OS services by restarting the device and putting it into maintenance mode. This issue impacts: PAN-OS 9.1 versions earlier than PAN-OS 9.1.3. This issue does not impact PAN-OS 8.1, PAN-OS 9.0, or Prisma Access services."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":4.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-191","description":"CWE-191 Integer Underflow (Wrap or Wraparound)","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2020-07-08T16:35:17.000Z","orgId":"d6c1279f-00f6-4ef7-9217-f89ffe703ec0","shortName":"palo_alto"},"references":[{"tags":["x_refsource_MISC"],"url":"https://security.paloaltonetworks.com/CVE-2020-2031"}],"solutions":[{"lang":"en","value":"This issue is fixed in PAN-OS 9.1.3 and all later PAN-OS versions."}],"source":{"defect":["PAN-100000"],"discovery":"INTERNAL"},"timeline":[{"lang":"en","time":"2020-07-08T00:00:00.000Z","value":"Initial publication"}],"title":"PAN-OS: Integer underflow in the management interface","workarounds":[{"lang":"en","value":"This issue impacts the PAN-OS management interface but you can mitigate the impact of this issue by following best practices for securing the PAN-OS management interface. Please review the Best Practices for Securing Administrative Access in the PAN-OS technical documentation, available at https://docs.paloaltonetworks.com/best-practices."}],"x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"psirt@paloaltonetworks.com","DATE_PUBLIC":"2020-07-08T16:00:00.000Z","ID":"CVE-2020-2031","STATE":"PUBLIC","TITLE":"PAN-OS: Integer underflow in the management interface"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"PAN-OS","version":{"version_data":[{"version_affected":"<","version_name":"9.1","version_value":"9.1.3"},{"version_affected":"!>=","version_name":"9.1","version_value":"9.1.3"},{"version_affected":"!","version_name":"9.0","version_value":"9.0.*"},{"version_affected":"!","version_name":"8.1","version_value":"8.1.*"}]}}]},"vendor_name":"Palo Alto Networks"}]}},"credit":[{"lang":"eng","value":"This issue was discovered by Jin Chen of Palo Alto Networks during internal security review."}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An integer underflow vulnerability in the dnsproxyd component of the PAN-OS management interface allows authenticated administrators to issue a command from the command line interface that causes the component to stop responding. Repeated attempts to send this request result in denial of service to all PAN-OS services by restarting the device and putting it into maintenance mode. This issue impacts: PAN-OS 9.1 versions earlier than PAN-OS 9.1.3. This issue does not impact PAN-OS 8.1, PAN-OS 9.0, or Prisma Access services."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":4.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-191 Integer Underflow (Wrap or Wraparound)"}]}]},"references":{"reference_data":[{"name":"https://security.paloaltonetworks.com/CVE-2020-2031","refsource":"MISC","url":"https://security.paloaltonetworks.com/CVE-2020-2031"}]},"solution":[{"lang":"en","value":"This issue is fixed in PAN-OS 9.1.3 and all later PAN-OS versions."}],"source":{"defect":["PAN-100000"],"discovery":"INTERNAL"},"timeline":[{"lang":"en","time":"2020-07-08T00:00:00.000Z","value":"Initial publication"}],"work_around":[{"lang":"en","value":"This issue impacts the PAN-OS management interface but you can mitigate the impact of this issue by following best practices for securing the PAN-OS management interface. Please review the Best Practices for Securing Administrative Access in the PAN-OS technical documentation, available at https://docs.paloaltonetworks.com/best-practices."}]}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T06:54:00.923Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://security.paloaltonetworks.com/CVE-2020-2031"}]}]},"cveMetadata":{"assignerOrgId":"d6c1279f-00f6-4ef7-9217-f89ffe703ec0","assignerShortName":"palo_alto","cveId":"CVE-2020-2031","datePublished":"2020-07-08T16:35:17.389Z","dateReserved":"2019-12-04T00:00:00.000Z","dateUpdated":"2024-09-16T17:58:42.448Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}