Vulnerability-Lookup

BDU:2019-01333 (CVE-2019-1739)

Vulnerability from fstec – Published: 2019-04-12 – Updated: 2021-03-23 – View on bdu.fstec.ru Exploit exists Yes Fixed

Title

Уязвимость реализации технологии Network-Based Application Recognition операционных систем Cisco IOS и Cisco IOS XE, позволяющая нарушителю вызвать отказ в обслуживании

Summary

Уязвимость реализации технологии Network-Based Application Recognition в операционных системах Cisco IOS и Cisco IOS XE существует из-за ошибок синтаксического анализа DNS-пакетов. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, не прошедшему проверку подлинности, вызвать перезагрузку уязвимого устройства, приводящую к отказу в обслуживании путем отправки специально сформированных DNS-пакетов

Severity

7.8 (High) CVSS 2.0


                      
                        AV:N/AC:L/Au:N/C:N/I:N/A:C

7.5 (High) CVSS 3.0


                      
                        CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Class

Code vulnerability

Status

Confirmed by the vendor

Exploitation

Resource manipulation

Incidents

Yes

Remediation

Software update

CWE

CWE-20 - Недостаточная проверка вводимых данных

Aliases

CVE-2019-1739

References

1 reference

URL
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-…

Impacted products

1 product from 2 vendors

Vendors

Cisco Systems, Inc.

Products

Cisco IOS XE

Versions

3.16.1as (Cisco IOS XE), 3.16.2as (Cisco IOS XE), 3.16.2s (Cisco IOS XE), 3.17.0s (Cisco IOS XE), 3.17.1s (Cisco IOS XE), 3.18.0s (Cisco IOS XE), 16.5.1 (Cisco IOS XE), 3.2.0JA (Cisco IOS XE), 16.3.1a (Cisco IOS XE), 16.5.1a (Cisco IOS XE), 16.2.1 (Cisco IOS XE), 16.2.2 (Cisco IOS XE), 16.3.1 (Cisco IOS XE), 16.3.4 (Cisco IOS XE), 16.4.1 (Cisco IOS XE), 16.4.3 (Cisco IOS XE), 3.16.1S (Cisco IOS XE), 3.16.0bS (Cisco IOS XE), 3.16.0cS (Cisco IOS XE), 3.16.3S (Cisco IOS XE), 3.16.2bS (Cisco IOS XE), 3.16.4aS (Cisco IOS XE), 3.16.4bS (Cisco IOS XE), 3.16.4gS (Cisco IOS XE), 3.16.5S (Cisco IOS XE), 3.16.4cS (Cisco IOS XE), 3.16.4dS (Cisco IOS XE), 3.16.4eS (Cisco IOS XE), 3.16.5aS (Cisco IOS XE), 3.17.2S (Cisco IOS XE), 3.17.1aS (Cisco IOS XE), 3.17.3S (Cisco IOS XE), 3.17.4S (Cisco IOS XE), 16.4.2 (Cisco IOS XE), 16.5.1b (Cisco IOS XE), 3.16.0aS (Cisco IOS XE), 3.16.3aS (Cisco IOS XE), 3.16.4S (Cisco IOS XE), 3.18.0aS (Cisco IOS XE), 3.18.1S (Cisco IOS XE), 3.18.2S (Cisco IOS XE), 3.18.3S (Cisco IOS XE), 3.18.4S (Cisco IOS XE), 3.18.0SP (Cisco IOS XE), 3.18.1aSP (Cisco IOS XE), 3.18.1gSP (Cisco IOS XE), 3.18.1bSP (Cisco IOS XE), 3.18.1cSP (Cisco IOS XE), 3.18.2SP (Cisco IOS XE), 3.18.1hSP (Cisco IOS XE), 3.18.2aSP (Cisco IOS XE), 3.18.1iSP (Cisco IOS XE)

Product types

Operating system, Network appliance software

Mitigations

Иcпользование рекомендаций: https://tools.cisco.com/security/center/viewErp.x?alertId=ERP-71140

Credits

JSON

To clipboard

{
  "CVSS 2.0": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
  "CVSS 3.0": "AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": null,
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": null,
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "Cisco Systems, Inc.",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "3.16.1as (Cisco IOS XE), 3.16.2as (Cisco IOS XE), 3.16.2s (Cisco IOS XE), 3.17.0s (Cisco IOS XE), 3.17.1s (Cisco IOS XE), 3.18.0s (Cisco IOS XE), 16.5.1 (Cisco IOS XE), 3.2.0JA (Cisco IOS XE), 16.3.1a (Cisco IOS XE), 16.5.1a (Cisco IOS XE), 16.2.1 (Cisco IOS XE), 16.2.2 (Cisco IOS XE), 16.3.1 (Cisco IOS XE), 16.3.4 (Cisco IOS XE), 16.4.1 (Cisco IOS XE), 16.4.3 (Cisco IOS XE), 3.16.1S (Cisco IOS XE), 3.16.0bS (Cisco IOS XE), 3.16.0cS (Cisco IOS XE), 3.16.3S (Cisco IOS XE), 3.16.2bS (Cisco IOS XE), 3.16.4aS (Cisco IOS XE), 3.16.4bS (Cisco IOS XE), 3.16.4gS (Cisco IOS XE), 3.16.5S (Cisco IOS XE), 3.16.4cS (Cisco IOS XE), 3.16.4dS (Cisco IOS XE), 3.16.4eS (Cisco IOS XE), 3.16.5aS (Cisco IOS XE), 3.17.2S (Cisco IOS XE), 3.17.1aS (Cisco IOS XE), 3.17.3S (Cisco IOS XE), 3.17.4S (Cisco IOS XE), 16.4.2 (Cisco IOS XE), 16.5.1b (Cisco IOS XE), 3.16.0aS (Cisco IOS XE), 3.16.3aS (Cisco IOS XE), 3.16.4S (Cisco IOS XE), 3.18.0aS (Cisco IOS XE), 3.18.1S (Cisco IOS XE), 3.18.2S (Cisco IOS XE), 3.18.3S (Cisco IOS XE), 3.18.4S (Cisco IOS XE), 3.18.0SP (Cisco IOS XE), 3.18.1aSP (Cisco IOS XE), 3.18.1gSP (Cisco IOS XE), 3.18.1bSP (Cisco IOS XE), 3.18.1cSP (Cisco IOS XE), 3.18.2SP (Cisco IOS XE), 3.18.1hSP (Cisco IOS XE), 3.18.2aSP (Cisco IOS XE), 3.18.1iSP (Cisco IOS XE)",
  "\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u0418c\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439: \nhttps://tools.cisco.com/security/center/viewErp.x?alertId=ERP-71140",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "27.03.2019",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "23.03.2021",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "12.04.2019",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2019-01333",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2019-1739",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "Cisco IOS XE",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": null,
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 Network-Based Application Recognition \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c Cisco IOS \u0438 Cisco IOS XE, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043e\u0442\u043a\u0430\u0437 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0421\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u041d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u0430\u044f \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u0432\u0432\u043e\u0434\u0438\u043c\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 (CWE-20)",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 Network-Based Application Recognition \u0432 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 Cisco IOS \u0438 Cisco IOS XE \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 \u0438\u0437-\u0437\u0430 \u043e\u0448\u0438\u0431\u043e\u043a \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0430\u043d\u0430\u043b\u0438\u0437\u0430 DNS-\u043f\u0430\u043a\u0435\u0442\u043e\u0432. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u043c\u0443 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e, \u043d\u0435 \u043f\u0440\u043e\u0448\u0435\u0434\u0448\u0435\u043c\u0443 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0443 \u043f\u043e\u0434\u043b\u0438\u043d\u043d\u043e\u0441\u0442\u0438, \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043f\u0435\u0440\u0435\u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0443 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0433\u043e \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430, \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0443\u044e \u043a \u043e\u0442\u043a\u0430\u0437\u0443 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438 \u043f\u0443\u0442\u0435\u043c \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0438 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 DNS-\u043f\u0430\u043a\u0435\u0442\u043e\u0432",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": "-",
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u0441\u0443\u0440\u0441\u0430\u043c\u0438",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nbar",
  "\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
  "\u0422\u0438\u043f \u041f\u041e": "\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430, \u041f\u041e \u0441\u0435\u0442\u0435\u0432\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e-\u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0433\u043e \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-20",
  "\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 7,8)\n\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 7,5)"
}

CVE-2019-1739 (GCVE-0-2019-1739)

Vulnerability from cvelistv5 – Published: 2019-03-27 23:20 – Updated: 2024-09-16 20:07

Title

Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vulnerabilities

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 this vulnerability 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.

Severity

8.6 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CWE

CWE-20

Assigner

cisco mitre root

References

2 references

URL	Tags
https://tools.cisco.com/security/center/content/C…	vendor-advisoryx_refsource_CISCO
http://www.securityfocus.com/bid/107597	vdb-entryx_refsource_BID

Impacted products

1 product

Vendor	Product	Version
Cisco	Cisco IOS and Cisco IOS-XE Software	Affected: 3.16.0S Affected: 3.16.1S Affected: 3.16.0aS Affected: 3.16.1aS Affected: 3.16.2S Affected: 3.16.2aS Affected: 3.16.0bS Affected: 3.16.0cS Affected: 3.16.3S Affected: 3.16.2bS Affected: 3.16.3aS Affected: 3.16.4S Affected: 3.16.4aS Affected: 3.16.4bS Affected: 3.16.4gS Affected: 3.16.5S Affected: 3.16.4cS Affected: 3.16.4dS Affected: 3.16.4eS Affected: 3.16.5aS Affected: 3.17.0S Affected: 3.17.1S Affected: 3.17.2S Affected: 3.17.1aS Affected: 3.17.3S Affected: 3.17.4S Affected: 3.2.0JA Affected: 16.2.1 Affected: 16.2.2 Affected: 16.3.1 Affected: 16.3.2 Affected: 16.3.3 Affected: 16.3.1a Affected: 16.3.4 Affected: 16.4.1 Affected: 16.4.2 Affected: 16.4.3 Affected: 16.5.1 Affected: 16.5.1a Affected: 16.5.1b Affected: 3.18.0aS Affected: 3.18.0S Affected: 3.18.1S Affected: 3.18.2S Affected: 3.18.3S Affected: 3.18.4S Affected: 3.18.0SP Affected: 3.18.1SP Affected: 3.18.1aSP Affected: 3.18.1gSP Affected: 3.18.1bSP Affected: 3.18.1cSP Affected: 3.18.2SP Affected: 3.18.1hSP Affected: 3.18.2aSP Affected: 3.18.1iSP

Date Public

2019-03-27 00:00

Show details on NVD website

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.