CVE-2018-0060

Junos OS: Invalid IP/mask learned from DHCP server might cause device control daemon (dcd) process crash

Description

An improper input validation weakness in the device control daemon process (dcd) of Juniper Networks Junos OS allows an attacker to cause a Denial of Service to the dcd process and interfaces and connected clients when the Junos device is requesting an IP address for itself. Junos devices are not vulnerable to this issue when not configured to use DHCP. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D40 on SRX Series; 12.3X48 versions prior to 12.3X48-D20 on SRX Series; 14.1X53 versions prior to 14.1X53-D40 on EX2200/VC, EX3200, EX3300/VC, EX4200, EX4300, EX4550/VC, EX4600, EX6200, EX8200/VC (XRE), QFX3500, QFX3600, QFX5100; 15.1X49 versions prior to 15.1X49-D20 on SRX Series; 15.1X53 versions prior to 15.1X53-D68 on QFX10000 Series; 15.1X53 versions prior to 15.1X53-D235 on QFX5200/QFX5110; 15.1X53 versions prior to 15.1X53-D495 on NFX150, NFX250; 15.1X53 versions prior to 15.1X53-D590 on EX2300/EX3400; 15.1 versions prior to 15.1R7-S2.

Remediation

Solution:

  • The following software releases have been updated to resolve this specific issue: 12.1X46-D40, 12.3X48-D20, 14.1X53-D40, 15.1X49-D20, 15.1X53-D68, 15.1X53-D235, 15.1X53-D495, 15.1X53-D590, 15.1R7-S2, 16.1R1and all subsequent releases.

Workaround:

  • Configure the device to use static IP addresses for all interfaces. Disable DHCP services.

Category

5.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.20%
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS
Affected: Juniper Networks Junos OS
Affected: Juniper Networks Junos OS
Affected: Juniper Networks Junos OS
Affected: Juniper Networks Junos OS
Affected: Juniper Networks Junos OS
Affected: Juniper Networks Junos OS
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1041858 vdb entry third party advisory
https://kb.juniper.net/JSA10895 mitigation vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-0060?
CVE-2018-0060 has been scored as a medium severity vulnerability.
How to fix CVE-2018-0060?
To fix CVE-2018-0060: The following software releases have been updated to resolve this specific issue: 12.1X46-D40, 12.3X48-D20, 14.1X53-D40, 15.1X49-D20, 15.1X53-D68, 15.1X53-D235, 15.1X53-D495, 15.1X53-D590, 15.1R7-S2, 16.1R1and all subsequent releases.
Is CVE-2018-0060 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-0060 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-0060?
CVE-2018-0060 affects Juniper Networks Junos OS, Juniper Networks Junos OS, Juniper Networks Junos OS, Juniper Networks Junos OS, Juniper Networks Junos OS, Juniper Networks Junos OS, Juniper Networks Junos OS.
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