CVE-2018-0060 Junos OS: Invalid IP/mask learned from DHCP server might cause device control daemon (dcd) process crash

Medium 5.3 Published Updated

An attacker can crash the device control daemon and disrupt network interfaces by sending invalid IP/mask data via DHCP, affecting Junos devices configured to use DHCP.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2018-0060?

CVE-2018-0060 is a medium-severity denial of service vulnerability in Juniper Junos, published on 10 Oct 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-20

Which versions are affected by CVE-2018-0060?

It affects 1 product.

Products include Juniper Junos.

How do I fix CVE-2018-0060?

No fix has been published for CVE-2018-0060 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2018-0060 being exploited?

There is no known exploitation of CVE-2018-0060 in the wild and no public exploit code.

All Juniper Junos vulnerabilities

Sources

Also known as GHSA-687m-cccm-2jgw.

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