Improper validation of integrity check value in Juniper Networks, Inc. products - CVE-2019-0071
Published: October 11, 2019
Vulnerability identifier: #VU21718
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-0071
CWE-ID: CWE-354
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to an error when the Veriexec subsystem will fail to initialize, in essence disabling file integrity checking. A local authenticated user with shell access can install untrusted executable images, elevate privileges and gain full control of the system.
Affected software
EX2300-C
EX2300
EX3400
Junos OS
EX2300
EX3400
Junos OS
How to mitigate CVE-2019-0071
Install updates from vendor's website.
Junos OS - addressed in versions 18.1R3-S5, 18.3R1-S4