Input validation error in Junos OS - CVE-2019-0060
Published: October 10, 2019
Vulnerability identifier: #VU21698
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-2019-0060
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Junos OS
How to mitigate CVE-2019-0060
Install updates from vendor's website.
Junos OS - addressed in versions 15.1X49-D171, 15.1X49-D180, 18.2R3, 18.4R2, 19.1R1