Input validation error in Junos OS - CVE-2019-0046
Published: July 11, 2019
Vulnerability identifier: #VU19143
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-0046
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows an attacker to perform a denial of service (DoS) attack.
The vulnerability exists in the pfe-chassisd Chassis Manager (CMLC) daemon when specific valid broadcast packets create a broadcast storm condition when received on the me0 interface. An attacker can perform a denial of service attack on the affected device.
Affected software
Junos OS
How to mitigate CVE-2019-0046
Install updates from vendor's website.
Junos OS - addressed in versions 16.1R7-S5, 17.1R3, 17.2R3-S2, 17.3R3-S2, 17.4R2, 18.1R3, 18.2R2