SSH.V1.Duplicate.Blocks.DoS

description-logoDescription

This indicates a denial of service vulnerability in the SSH1 protocol implementation in OpenSSH. The vulnerability is caused by incorrect processing of duplicated incoming blocks.

affected-products-logoAffected Products

OpenSSH OpenSSH 4.x before 4.4
OpenSSH OpenSSH 3.x

Impact logoImpact

Denial of Service

recomended-action-logoRecommended Actions

OpenSSH version 4.4 is available to address this issue.
Please see the vendor advisories for more information and fixes.

Telemetry logoTelemetry

Coverage

IPS (Regular DB)
IPS (Extended DB)