BDU:2019-03294
Vulnerability from fstec - Published: 28.08.2019
VLAI Severity ?
Title
Уязвимость функции Endpoint Learning сетевой операционной системы NX-OS коммутаторов Cisco Nexus серии 9000, позволяющая нарушителю вызвать отказ в обслуживании
Description
Уязвимость функции Endpoint Learning сетевой операционной системы NX-OS коммутаторов Cisco Nexus серии 9000 связана с ошибками управления состоянием. Эксплуатация уязвимости может позволить нарушителю, действующему удалённо, вызвать отказ в обслуживании
Severity ?
Vendor
Cisco Systems Inc.
Software Name
NX-OS
Software Version
12.0.1m (NX-OS), 12.0.2g (NX-OS), 12.0.1n (NX-OS), 12.0.1o (NX-OS), 12.0.1p (NX-OS), 12.0.1q (NX-OS), 12.0.2h (NX-OS), 12.0.2l (NX-OS), 12.0.2m (NX-OS), 12.0.2n (NX-OS), 12.0.2o (NX-OS), 12.0.2f (NX-OS), 12.0.1r (NX-OS), 12.1.1h (NX-OS), 12.1.2e (NX-OS), 12.1.3g (NX-OS), 12.1.4a (NX-OS), 12.1.1i (NX-OS), 12.1.2g (NX-OS), 12.1.2k (NX-OS), 12.1.3h (NX-OS), 12.1.3j (NX-OS), 12.2.1n (NX-OS), 12.2.2e (NX-OS), 12.2.3j (NX-OS), 12.2.4f (NX-OS), 12.2.3p (NX-OS), 12.2.3r (NX-OS), 12.2.3s (NX-OS), 12.2.3t (NX-OS), 12.2.2f (NX-OS), 12.2.2g (NX-OS), 12.2.2i (NX-OS), 12.2.2j (NX-OS), 12.2.2k (NX-OS), 12.2.2q (NX-OS), 12.2.1o (NX-OS), 12.2.1k (NX-OS), 12.3.1e (NX-OS), 12.3.1f (NX-OS), 12.3.1i (NX-OS), 12.3.1l (NX-OS), 12.3.1o (NX-OS), 12.3.1p (NX-OS), 13.0.1k (NX-OS), 13.0.2h (NX-OS), 13.0.2k (NX-OS), 13.0.2n (NX-OS), 13.0.1i (NX-OS), 13.0.2m (NX-OS), 13.1.1i (NX-OS), 13.1.2m (NX-OS), 13.1.2o (NX-OS), 13.1.2p (NX-OS), 13.1.2q (NX-OS), 13.1.2s (NX-OS), 13.1.2t (NX-OS)
Possible Mitigations
Использование рекомендаций:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190828-nexus-aci-dos
Reference
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190828-nexus-aci-dos
https://nvd.nist.gov/vuln/detail/CVE-2019-1977
CWE
CWE-371
{
"CVSS 2.0": "AV:N/AC:H/Au:N/C:N/I:N/A:C",
"CVSS 3.0": "AV:N/AC:H/PR:N/UI:N/S:C/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": "12.0.1m (NX-OS), 12.0.2g (NX-OS), 12.0.1n (NX-OS), 12.0.1o (NX-OS), 12.0.1p (NX-OS), 12.0.1q (NX-OS), 12.0.2h (NX-OS), 12.0.2l (NX-OS), 12.0.2m (NX-OS), 12.0.2n (NX-OS), 12.0.2o (NX-OS), 12.0.2f (NX-OS), 12.0.1r (NX-OS), 12.1.1h (NX-OS), 12.1.2e (NX-OS), 12.1.3g (NX-OS), 12.1.4a (NX-OS), 12.1.1i (NX-OS), 12.1.2g (NX-OS), 12.1.2k (NX-OS), 12.1.3h (NX-OS), 12.1.3j (NX-OS), 12.2.1n (NX-OS), 12.2.2e (NX-OS), 12.2.3j (NX-OS), 12.2.4f (NX-OS), 12.2.3p (NX-OS), 12.2.3r (NX-OS), 12.2.3s (NX-OS), 12.2.3t (NX-OS), 12.2.2f (NX-OS), 12.2.2g (NX-OS), 12.2.2i (NX-OS), 12.2.2j (NX-OS), 12.2.2k (NX-OS), 12.2.2q (NX-OS), 12.2.1o (NX-OS), 12.2.1k (NX-OS), 12.3.1e (NX-OS), 12.3.1f (NX-OS), 12.3.1i (NX-OS), 12.3.1l (NX-OS), 12.3.1o (NX-OS), 12.3.1p (NX-OS), 13.0.1k (NX-OS), 13.0.2h (NX-OS), 13.0.2k (NX-OS), 13.0.2n (NX-OS), 13.0.1i (NX-OS), 13.0.2m (NX-OS), 13.1.1i (NX-OS), 13.1.2m (NX-OS), 13.1.2o (NX-OS), 13.1.2p (NX-OS), 13.1.2q (NX-OS), 13.1.2s (NX-OS), 13.1.2t (NX-OS)",
"\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": "\u0418\u0441\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/content/CiscoSecurityAdvisory/cisco-sa-20190828-nexus-aci-dos",
"\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "28.08.2019",
"\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": "27.09.2019",
"\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2019-03294",
"\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-2019-1977",
"\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": "NX-OS",
"\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": "Cisco Systems Inc. NX-OS 12.0.1m Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.0.2g Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.0.1n Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.0.1o Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.0.1p Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.0.1q Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.0.2h Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.0.2l Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.0.2m Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.0.2n Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.0.2o Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.0.2f Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.0.1r Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.1.1h Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.1.2e Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.1.3g Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.1.4a Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.1.1i Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.1.2g Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.1.2k Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.1.3h Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.1.3j Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.2.1n Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.2.2e Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.2.3j Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.2.4f Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.2.3p Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.2.3r Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.2.3s Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.2.3t Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.2.2f Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.2.2g Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.2.2i Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.2.2j Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.2.2k Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.2.2q Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.2.1o Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.2.1k Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.3.1e Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.3.1f Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.3.1i Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.3.1l Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.3.1o Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 12.3.1p Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 13.0.1k Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 13.0.2h Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 13.0.2k Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 13.0.2n Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 13.0.1i Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 13.0.2m Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 13.1.1i Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 13.1.2m Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 13.1.2o Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 13.1.2p Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 13.1.2q Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 13.1.2s Cisco Nexus 9000 Series, Cisco Systems Inc. NX-OS 13.1.2t Cisco Nexus 9000 Series",
"\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 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 Endpoint Learning \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b NX-OS \u043a\u043e\u043c\u043c\u0443\u0442\u0430\u0442\u043e\u0440\u043e\u0432 Cisco Nexus \u0441\u0435\u0440\u0438\u0438 9000, \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": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
"\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u041f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435\u043c (CWE-371)",
"\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 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 Endpoint Learning \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b NX-OS \u043a\u043e\u043c\u043c\u0443\u0442\u0430\u0442\u043e\u0440\u043e\u0432 Cisco Nexus \u0441\u0435\u0440\u0438\u0438 9000 \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u043e\u0448\u0438\u0431\u043a\u0430\u043c\u0438 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435\u043c. \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\u0451\u043d\u043d\u043e, \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",
"\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\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
"\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 \u0441\u0440\u043e\u043a\u0430\u043c\u0438 \u0438 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435\u043c",
"\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-20190828-nexus-aci-dos\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-1977",
"\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",
"\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-371",
"\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": "\u0421\u0440\u0435\u0434\u043d\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 5,4)\n\u0421\u0440\u0435\u0434\u043d\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 6,8)"
}
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Sightings
| Author | Source | Type | Date |
|---|
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.
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