NetSight
medium5.9

CVE-2019-14810

A vulnerability has been found in the implementation of the Label Distribution Protocol (LDP) protocol in EOS.

Impact

A vulnerability has been found in the implementation of the Label Distribution Protocol (LDP) protocol in EOS. Under race conditions, the LDP agent can establish an LDP session with a malicious peer potentially allowing the possibility of a Denial of Service (DoS) attack on route updates and in turn potentially leading to an Out of Memory (OOM) condition that is disruptive to traffic forwarding. Affected EOS versions include: 4.22 release train: 4.22.1F and earlier releases 4.21 release train: 4.21.0F - 4.21.2.3F, 4.21.3F - 4.21.7.1M 4.20 release train: 4.20.14M and earlier releases 4.19 release train: 4.19.12M and earlier releases End of support release trains (4.18 and 4.17)

Affected products

VendorProductAffected versions
AristaExtensible Operating System
from 4.19 through 4.19.12m
from 4.20 through 4.20.14m
from 4.21.0f through 4.21.2.3f
from 4.21.3f through 4.21.7
Versions 4.17, 4.18

Weakness classification

References