Buffer overflow in Cisco Nexus 1000v

CVE-2015-4324

Buffer overflow in Cisco NX-OS on Nexus 1000V devices for VMware vSphere 7.3(0)ZN(0.81), Nexus 3000 devices 7.3(0)ZN(0.81), Nexus 4000 devices 4.1(2)E1(1c), Nexus 7000 devices 7.2(0)N1(0.1), and Nexus 9000 devices 7.3(0)ZN(0.81) allows remote attackers to cause a denial of service (IGMP process restart) via a malformed IGMPv3 packet that is mishandled during memory allocation, aka Bug IDs CSCuv69713, CSCuv69717, CSCuv69723, CSCuv69732, and CSCuv48908.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (64.1th percentile) — read the EPSS interpretation.

Affected products

Cisco Nexus_1000v
Cisco Nexus_3016
Cisco Nexus_3048
Cisco Nexus_3064
Cisco Nexus_31128pq
Cisco Nexus_3132q
Cisco Nexus_3164q
Cisco Nexus_3172
Cisco Nexus_3232c
Cisco Nexus_3264q

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)