Incorrect default permissions in Junos OS - CVE-2019-0073

 

Incorrect default permissions in Junos OS - CVE-2019-0073

Published: October 11, 2019


Vulnerability identifier: #VU21717
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-0073
CWE-ID: CWE-276
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 the PKI keys exported using the command "run request security pki key-pair export" have insecure file permissions. A local user with access to the system can view contents of files and directories or modify them.


Affected software

Junos OS

How to mitigate CVE-2019-0073

Install updates from vendor's website.

Junos OS - addressed in versions 15.1X49-D180, 17.4R2-S8, 18.2R3, 18.3R2, 18.4R2, 19.1R1

External References

Related Security Bulletins