CVE-2024-12378

Summary

On affected platforms running Arista EOS with secure Vxlan configured, restarting the Tunnelsec agent will result in packets being sent over the secure Vxlan tunnels in the clear.

Affected Software

VendorProductVersion RangeStatus
Arista NetworksCloudVision Portal4.32.0 <= 4.32.2Faffected
Arista NetworksCloudVision Portal4.31.0 <= 4.31.6Maffected
Arista NetworksCloudVision Portal4.30.0 <= 4.30.8Maffected
Arista NetworksCloudVision Portal4.29.0 <= 4.29.9Maffected
Arista NetworksCloudVision Portal4.28.0 <= 4.28.12Maffected
Arista NetworksCloudVision Portal4.27.0 <= 4.27.12Maffected

Weaknesses

  • CWE-319: CWE-319 Cleartext Transmission of Sensitive Information

Workarounds

The workaround is to remove and re-apply security profiles for each secure VTEP.

switch> show vxlan security profile VTEP         Security Profile


1.0.2.1                     p1 switch> en switch# config switch(config)# interface vxlan 1 switch(config-if-Vx1)# no vxlan vtep 1.0.2.1 ip security profile p1 switch(config-if-Vx1)# vxlan vtep 1.0.2.1 ip security profile p1

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: total

References