Insufficient Resource Pool in Juniper Networks, Inc. products - CVE-2019-0056
Published: October 10, 2019
Vulnerability identifier: #VU21694
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-0056
CWE-ID:
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service (DoS) condition.
The vulnerability exists due to the device's resource pool is not large enough to handle peak demand. A remote attacker can cause the device's Open Shortest Path First (OSPF) states to transition to Down and perform a denial of service attack.
Note: This issue only affects devices with three (3) or more MPC10's installed in a single chassis with OSPF enabled and configured on the device.
Affected software
MX2020
MX2010
MX2008
MX960
MX480
Junos OS
MX2010
MX2008
MX960
MX480
Junos OS
How to mitigate CVE-2019-0056
Install updates from vendor's website.
Junos OS - addressed in versions 18.1R2-S4, 18.1R3-S5, 18.2X75-D50, 18.2R1-S5, 18.2R2-S3, 18.2R3, 18.3R1-S4, 18.3R2, 18.3R3, 18.4R1-S2, 18.4R2, 19.1R1