NetSight
high7.5

CVE-2019-18948

An issue was found in Arista EOS.

Impact

An issue was found in Arista EOS. Specific malformed ARP packets can impact the software forwarding of VxLAN packets. This issue is found in Arista’s EOS VxLAN code, which can allow attackers to crash the VxlanSwFwd agent. This affects EOS 4.21.8M and below releases in the 4.21.x train, 4.22.3M and below releases in the 4.22.x train, 4.23.1F and below releases in the 4.23.x train, and all releases in 4.15, 4.16, 4.17, 4.18, 4.19, 4.20 code train.

Affected products

VendorProductAffected versions
AristaEos
from 4.21.0 through 4.21.8m
from 4.22.0 through 4.22.3m
from 4.23.0 through 4.23.1f
Versions 4.15, 4.16, 4.17

References