CVE-2011-0355
HighSummary
Moduł wirtualny Ethernet Cisco Nexus 1000V (VEM) w wersjach 4.0(4) SV1(1) do SV1(3b) nieprawidłowo obsługuje zrzucane pakiety, co pozwala użytkownikom systemu gościa na wywołanie odmowy usługi poprzez wysyłanie pakietów oznaczonych 802.1Q przez port vEthernet. Może to prowadzić do awarii systemu operacyjnego ESX lub ESXi.
Risk Assessment
Podatność ta stwarza ryzyko awarii hosta ESX lub ESXi, co może prowadzić do przestojów w działaniu usług i wpływać na dostępność systemów w organizacji.
Recommendation
Zaleca się aktualizację do najnowszej wersji oprogramowania Cisco Nexus 1000V, aby usunąć tę podatność oraz monitorowanie ruchu sieciowego w celu wykrycia potencjalnych prób wykorzystania tej luki.
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Original NVD description (English source)
Cisco Nexus 1000V Virtual Ethernet Module (VEM) 4.0(4) SV1(1) through SV1(3b), as used in VMware ESX 4.0 and 4.1 and ESXi 4.0 and 4.1, does not properly handle dropped packets, which allows guest OS users to cause a denial of service (ESX or ESXi host OS crash) by sending an 802.1Q tagged packet over an access vEthernet port, aka Cisco Bug ID CSCtj17451.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

