Vigil@nce - Juniper Junos: infinite loop of SSH
December 2015 by Vigil@nce
This bulletin was written by Vigil@nce : http://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
An unauthenticated attacker can generate an infinite loop in SSH of Juniper Junos, in order to trigger a denial of service.
Impacted products: Juniper J-Series, JUNOS.
Creation date: 15/10/2015.
DESCRIPTION OF THE VULNERABILITY
The Juniper Junos product offers a SSH service.
However, before authentication, a special query, overloads the processor.
An unauthenticated attacker can therefore generate an infinite loop in SSH of Juniper Junos, in order to trigger a denial of service.
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