Improper check or handling of exceptional conditions in Junos OS - CVE-2018-0017

Vulnerability identifier: #VU11840

CSH Severity: Low

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2018-0017

CWE-ID: CWE-703

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in flowd daemon due to failure to handle exceptional conditions. A remote attacker can submit a specially crafted valid IPv6 packet and cause the service to crash.

Junos OS

Update to versions 12.1X46-D76, 12.3X48-D55, 15.1X49-D90, 17.3R1 or later.

• https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10845&actp=METADATA

• Multiple vulnerabilities in Juniper products