Resource management error in Junos OS - CVE-2019-0031
Published: May 20, 2019 / Updated: May 22, 2019
Vulnerability identifier: #VU18536
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-0031
CWE-ID: CWE-399
Exploitation vector: Adjecent network
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 an error configuration within the jdhcpd daemon when receiving specific IPv6 DHCP packets. A remote attacker in a local network can exploit this issue to cause a denial of service condition, effectively denying service to legitimate users.
Affected software
Junos OS
How to mitigate CVE-2019-0031
Install updates from vendor's website.
Junos OS - addressed in versions 17.4R2, 18.1R2