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computer vulnerability alert CVE-2018-0032

Junos OS: denial of service via BGP UPDATE

Synthesis of the vulnerability

An attacker can send malicious BGP UPDATE packets to Junos, in order to trigger a denial of service.
Impacted software: Juniper EX-Series, Junos OS, SRX-Series.
Severity of this computer vulnerability: 2/4.
Consequences of an attack: denial of service on server, denial of service on service.
Attacker's origin: intranet client.
Creation date: 12/07/2018.
Références of this announce: CERTFR-2018-AVI-339, CVE-2018-0032, JSA10866, VIGILANCE-VUL-26716.

Description of the vulnerability

The Junos product has a service to manage received BGP UPDATE packets.

However, when malicious BGP UPDATE packets are received, a fatal error occurs.

An attacker can therefore send malicious BGP UPDATE packets to Junos, in order to trigger a denial of service.
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