Input validation error in Juniper Junos OS - CVE-2019-0060

 

Input validation error in Juniper Junos OS - CVE-2019-0060

Published: October 10, 2019


Vulnerability identifier: #VU21698
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2019-0060
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Juniper Networks, Inc.
Affected software:
Juniper Junos OS

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the flowd process when processing specific transit IP packets through an IPSec tunnel. A remote attacker can cause an extended Denial of Service (DoS) condition.

Note: This issue only occurs when IPSec tunnels are configured. Systems without IPSec tunnel configurations are not vulnerable to this issue.


How to mitigate CVE-2019-0060

Install updates from vendor's website.

Sources