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vulnerability CVE-2018-0020

Junos OS: denial of service via BGP UPDATE

Synthesis of the vulnerability

An attacker can send malicious BGP UPDATE packets to Junos OS, in order to trigger a denial of service.
Vulnerable systems: Juniper J-Series, Junos OS, SRX-Series.
Severity of this threat: 3/4.
Consequences of a hack: denial of service on service.
Pirate's origin: internet client.
Creation date: 12/04/2018.
Références of this weakness: CERTFR-2018-AVI-184, CVE-2018-0020, JSA10848, VIGILANCE-VUL-25850.

Description of the vulnerability

The Junos OS 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 OS, in order to trigger a denial of service.
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