CVE-2018-10070 Denial of service in n/a

High 7.5 Published Updated

Unauthenticated remote attackers can cause a denial of service and router reboot via crafted FTP requests, affecting MikroTik RouterOS devices.

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-2018-10070?

CVE-2018-10070 is a high-severity denial of service vulnerability in n/a, published on 16 Apr 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in MikroTik Version 6.41.4 could allow an unauthenticated remote attacker to exhaust all available CPU and all available RAM by sending a crafted FTP request on port 21 that begins with many '\0' characters, preventing the affected router from accepting new FTP connections. The router will reboot after 10 minutes, logging a "router was rebooted without proper shutdown" message.

Weakness: CWE-400

Which versions are affected by CVE-2018-10070?

It affects 1 product.

Products include Mikrotik Router Firmware.

How do I fix CVE-2018-10070?

No fix has been published for CVE-2018-10070 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-2018-10070 being exploited?

There is no known exploitation of CVE-2018-10070 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-j8r5-239v-8hjw.

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