Input validation error in Junos OS - CVE-2019-0037
Published: May 22, 2019
Vulnerability identifier: #VU18579
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-2019-0037
CWE-ID: CWE-20
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 insufficient validation of user-supplied input. A remote attacker in a local network can continuously send the same crafted packet to jdhcpd daemon and cause sustained denial of service attack.
Affected software
Junos OS
How to mitigate CVE-2019-0037
Install updates from vendor's website.
Junos OS - addressed in versions 15.1F6-S12, 15.1X49-D171, 15.1X49-D180, 15.1X53-D236, 15.1X53-D496, 15.1R7-S3, 16.1R3-S10, 16.1R7-S4, 16.2R2-S8, 17.1R2-S10, 17.1R3, 17.2R1-S8, 17.2R3-S1, 17.3R3-S3, 17.4R1-S6, 17.4R2-S3, 18.1R2-S4, 18.1R3-S2, 18.2X75-D30, 18.2R2, 18.3R1-S2, 18.4R1