CVE-2019-1594

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Summary

CVECVE-2019-1594
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-03-06 22:29:00 UTC
Updated2019-10-09 23:47:00 UTC
DescriptionA vulnerability in the 802.1X implementation for Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to incomplete input validation of Extensible Authentication Protocol over LAN (EAPOL) frames. An attacker could exploit this vulnerability by sending a crafted EAPOL frame to an interface on the targeted device. A successful exploit could allow the attacker to cause the Layer 2 (L2) forwarding process to restart multiple times, leading to a system-level restart of the device and a DoS condition. Note: This vulnerability affects only NX-OS devices configured with 802.1X functionality. Cisco Nexus 1000V Switch for VMware vSphere devices are affected in versions prior to 5.2(1)SV3(1.4b). Nexus 3000 Series Switches are affected in versions prior to 7.0(3)I7(4). Nexus 3500 Platform Switches are affected in versions prior to 7.0(3)I7(4). Nexus 2000, 5500, 5600, and 6000 Series Switches are affected in versions prior to 7.3(5)N1(1) and 7.1(5)N1(1b). Nexus 7000 and 7700 Series Switches are affected in versions prior to 8.2(3). Nexus 9000 Series Fabric Switches in ACI Mode are affected in versions prior to 13.2(1l). Nexus 9000 Series Switches in Standalone NX-OS Mode are affected in versions prior to 7.0(3)I7(4).

Risk And Classification

Problem Types: CWE-20

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Cisco Nexus 1000v - All All All
Hardware Cisco Nexus 1000v - All All All
Hardware Cisco Nexus 2000 - All All All
Hardware Cisco Nexus 2000 - All All All
Hardware Cisco Nexus 3000 - All All All
Hardware Cisco Nexus 3000 - All All All
Hardware Cisco Nexus 3500 - All All All
Hardware Cisco Nexus 3500 - All All All
Hardware Cisco Nexus 5500 - All All All
Hardware Cisco Nexus 5500 - All All All
Hardware Cisco Nexus 5600 - All All All
Hardware Cisco Nexus 5600 - All All All
Hardware Cisco Nexus 6000 - All All All
Hardware Cisco Nexus 6000 - All All All
Hardware Cisco Nexus 7000 - All All All
Hardware Cisco Nexus 7000 - All All All
Hardware Cisco Nexus 7700 - All All All
Hardware Cisco Nexus 7700 - All All All
Hardware Cisco Nexus 9000 - All All All
Hardware Cisco Nexus 9000 - All All All
Hardware Cisco Nexus 9000 In Standalone Nx-os Mode - All All All
Hardware Cisco Nexus 9000 In Standalone Nx-os Mode - All All All
Operating System Cisco Nx-os All All All All
Operating System Cisco Nx-os All All All All

References

ReferenceSourceLinkTags
Cisco NX-OS Software Extensible Authentication Protocol Denial of Service Vulnerability BID www.securityfocus.com Third Party Advisory, VDB Entry
Cisco NX-OS Software 802.1X Extensible Authentication Protocol over LAN Denial of Service Vulnerability CISCO tools.cisco.com Patch, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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