Path traversal in Juniper Junos OS - CVE-2019-0074

 

Path traversal in Juniper Junos OS - CVE-2019-0074

Published: October 11, 2019


Vulnerability identifier: #VU21723
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-0074
CWE-ID: CWE-22
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Juniper Networks, Inc.
Affected software:
Juniper Junos OS

Detailed vulnerability description

The vulnerability allows a local user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A local authenticated user can send a specially crafted HTTP request and read arbitrary files on the system.

Note: This vulnerability affects only Junos OS on NFX150 Series, QFX10K Series, EX9200 Series, MX Series and PTX Series with Next-Generation Routing Engine (NG-RE) and vmhost.


How to mitigate CVE-2019-0074

Install updates from vendor's website.

Sources