CVE-2019-1738 (GCVE-0-2019-1738)
Vulnerability from cvelistv5
Published
2019-03-27 23:15
Modified
2024-11-19 19:14
Severity ?
8.6 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CWE
Summary
A vulnerability in the Network-Based Application Recognition (NBAR) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. This vulnerability is due to a parsing issue on DNS packets. An attacker could exploit these vulnerabilities by sending crafted DNS packets through routers that are running an affected version and have NBAR enabled. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.
References
Impacted products
Vendor Product Version
Cisco Cisco IOS and IOS-XE Software Version: 3.16.0S
Version: 3.16.1S
Version: 3.16.0aS
Version: 3.16.1aS
Version: 3.16.2S
Version: 3.16.2aS
Version: 3.16.0bS
Version: 3.16.0cS
Version: 3.16.3S
Version: 3.16.2bS
Version: 3.16.3aS
Version: 3.16.4S
Version: 3.16.4aS
Version: 3.16.4bS
Version: 3.16.4gS
Version: 3.16.5S
Version: 3.16.4cS
Version: 3.16.4dS
Version: 3.16.4eS
Version: 3.16.5aS
Version: 3.17.0S
Version: 3.17.1S
Version: 3.17.2S
Version: 3.17.1aS
Version: 3.17.3S
Version: 3.17.4S
Version: 3.2.0JA
Version: 16.2.1
Version: 16.2.2
Version: 16.3.1
Version: 16.3.2
Version: 16.3.3
Version: 16.3.1a
Version: 16.3.4
Version: 16.4.1
Version: 16.4.2
Version: 16.4.3
Version: 16.5.1
Version: 16.5.1a
Version: 16.5.1b
Version: 3.18.0aS
Version: 3.18.0S
Version: 3.18.1S
Version: 3.18.2S
Version: 3.18.3S
Version: 3.18.4S
Version: 3.18.0SP
Version: 3.18.1SP
Version: 3.18.1aSP
Version: 3.18.1gSP
Version: 3.18.1bSP
Version: 3.18.1cSP
Version: 3.18.2SP
Version: 3.18.1hSP
Version: 3.18.2aSP
Version: 3.18.1iSP
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\"3.18.2aSP\"}, {\"status\": \"affected\", \"version\": \"3.18.1iSP\"}]}], \"exploits\": [{\"lang\": \"en\", \"value\": \"The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.\"}], \"datePublic\": \"2019-03-27T00:00:00\", \"references\": [{\"url\": \"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar\", \"name\": \"20190327 Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vulnerabilities\", \"tags\": [\"vendor-advisory\", \"x_refsource_CISCO\"]}, {\"url\": \"http://www.securityfocus.com/bid/107597\", \"name\": \"107597\", \"tags\": [\"vdb-entry\", \"x_refsource_BID\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability in the Network-Based Application Recognition (NBAR) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. This vulnerability is due to a parsing issue on DNS packets. An attacker could exploit these vulnerabilities by sending crafted DNS packets through routers that are running an affected version and have NBAR enabled. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-20\", \"description\": \"CWE-20\"}]}], \"providerMetadata\": {\"orgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"shortName\": \"cisco\", \"dateUpdated\": \"2019-03-28T12:06:05\"}, \"x_legacyV4Record\": {\"impact\": {\"cvss\": {\"version\": \"3.0\", \"baseScore\": \"8.6\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\"}}, \"source\": {\"defect\": [[\"CSCvb51688\", \"CSCvc94856\", \"CSCvc99155\", \"CSCvf01501\"]], \"advisory\": \"cisco-sa-20190327-nbar\", \"discovery\": \"INTERNAL\"}, \"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"version\": {\"version_data\": [{\"version_value\": \"3.16.0S\", \"version_affected\": \"=\"}, {\"version_value\": \"3.16.1S\", \"version_affected\": \"=\"}, {\"version_value\": \"3.16.0aS\", \"version_affected\": \"=\"}, {\"version_value\": \"3.16.1aS\", \"version_affected\": \"=\"}, {\"version_value\": \"3.16.2S\", \"version_affected\": \"=\"}, {\"version_value\": \"3.16.2aS\", \"version_affected\": \"=\"}, {\"version_value\": \"3.16.0bS\", \"version_affected\": \"=\"}, {\"version_value\": \"3.16.0cS\", \"version_affected\": \"=\"}, {\"version_value\": \"3.16.3S\", \"version_affected\": \"=\"}, {\"version_value\": \"3.16.2bS\", \"version_affected\": \"=\"}, {\"version_value\": \"3.16.3aS\", \"version_affected\": \"=\"}, {\"version_value\": \"3.16.4S\", \"version_affected\": \"=\"}, {\"version_value\": \"3.16.4aS\", \"version_affected\": \"=\"}, {\"version_value\": \"3.16.4bS\", \"version_affected\": \"=\"}, {\"version_value\": \"3.16.4gS\", \"version_affected\": \"=\"}, {\"version_value\": \"3.16.5S\", \"version_affected\": \"=\"}, {\"version_value\": \"3.16.4cS\", \"version_affected\": \"=\"}, {\"version_value\": \"3.16.4dS\", \"version_affected\": \"=\"}, {\"version_value\": \"3.16.4eS\", \"version_affected\": \"=\"}, {\"version_value\": \"3.16.5aS\", \"version_affected\": \"=\"}, {\"version_value\": \"3.17.0S\", \"version_affected\": \"=\"}, {\"version_value\": \"3.17.1S\", \"version_affected\": \"=\"}, {\"version_value\": \"3.17.2S\", \"version_affected\": \"=\"}, {\"version_value\": \"3.17.1aS\", \"version_affected\": \"=\"}, {\"version_value\": \"3.17.3S\", \"version_affected\": \"=\"}, {\"version_value\": \"3.17.4S\", \"version_affected\": \"=\"}, {\"version_value\": \"3.2.0JA\", \"version_affected\": \"=\"}, {\"version_value\": \"16.2.1\", \"version_affected\": \"=\"}, {\"version_value\": \"16.2.2\", \"version_affected\": \"=\"}, {\"version_value\": \"16.3.1\", \"version_affected\": \"=\"}, {\"version_value\": \"16.3.2\", \"version_affected\": \"=\"}, {\"version_value\": \"16.3.3\", \"version_affected\": \"=\"}, {\"version_value\": \"16.3.1a\", \"version_affected\": \"=\"}, {\"version_value\": \"16.3.4\", \"version_affected\": \"=\"}, {\"version_value\": \"16.4.1\", \"version_affected\": \"=\"}, {\"version_value\": \"16.4.2\", \"version_affected\": \"=\"}, {\"version_value\": \"16.4.3\", \"version_affected\": \"=\"}, {\"version_value\": \"16.5.1\", \"version_affected\": \"=\"}, {\"version_value\": \"16.5.1a\", \"version_affected\": \"=\"}, {\"version_value\": \"16.5.1b\", \"version_affected\": \"=\"}, {\"version_value\": \"3.18.0aS\", \"version_affected\": \"=\"}, {\"version_value\": \"3.18.0S\", \"version_affected\": \"=\"}, {\"version_value\": \"3.18.1S\", \"version_affected\": \"=\"}, {\"version_value\": \"3.18.2S\", \"version_affected\": \"=\"}, {\"version_value\": \"3.18.3S\", \"version_affected\": \"=\"}, {\"version_value\": \"3.18.4S\", \"version_affected\": \"=\"}, {\"version_value\": \"3.18.0SP\", \"version_affected\": \"=\"}, {\"version_value\": \"3.18.1SP\", \"version_affected\": \"=\"}, {\"version_value\": \"3.18.1aSP\", \"version_affected\": \"=\"}, {\"version_value\": \"3.18.1gSP\", \"version_affected\": \"=\"}, {\"version_value\": \"3.18.1bSP\", \"version_affected\": \"=\"}, {\"version_value\": \"3.18.1cSP\", \"version_affected\": \"=\"}, {\"version_value\": \"3.18.2SP\", \"version_affected\": \"=\"}, {\"version_value\": \"3.18.1hSP\", \"version_affected\": \"=\"}, {\"version_value\": \"3.18.2aSP\", \"version_affected\": \"=\"}, {\"version_value\": \"3.18.1iSP\", \"version_affected\": \"=\"}]}, \"product_name\": \"Cisco IOS and IOS-XE Software\"}]}, \"vendor_name\": \"Cisco\"}]}}, \"exploit\": [{\"lang\": \"en\", \"value\": \"The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.\"}], \"data_type\": \"CVE\", \"references\": {\"reference_data\": [{\"url\": \"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar\", \"name\": \"20190327 Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vulnerabilities\", \"refsource\": \"CISCO\"}, {\"url\": \"http://www.securityfocus.com/bid/107597\", \"name\": \"107597\", \"refsource\": \"BID\"}]}, \"data_format\": \"MITRE\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"value\": \"A vulnerability in the Network-Based Application Recognition (NBAR) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. This vulnerability is due to a parsing issue on DNS packets. An attacker could exploit these vulnerabilities by sending crafted DNS packets through routers that are running an affected version and have NBAR enabled. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"CWE-20\"}]}]}, \"data_version\": \"4.0\", \"CVE_data_meta\": {\"ID\": \"CVE-2019-1738\", \"STATE\": \"PUBLIC\", \"TITLE\": \"Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vulnerability\", \"ASSIGNER\": \"psirt@cisco.com\", \"DATE_PUBLIC\": \"2019-03-27T16:00:00-0700\"}}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2019-1738\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-11-19T19:14:01.380Z\", \"dateReserved\": \"2018-12-06T00:00:00\", \"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"datePublished\": \"2019-03-27T23:15:14.394105Z\", \"assignerShortName\": \"cisco\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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