CVE-2018-0286 Denial of service in Cisco IOS XR

Medium 5.3 Published Updated

Unauthenticated remote attackers can cause a denial of service by sending malformed requests to the netconf interface in Cisco IOS XR.

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-2018-0286?

CVE-2018-0286 is a medium-severity denial of service vulnerability in Cisco Ios Xr, published on 2 May 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in the netconf interface of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on affected system. The vulnerability is due to improper handling of malformed requests processed by the netconf process. An attacker could exploit this vulnerability by sending malicious requests to the affected software. An exploit could allow the attacker to cause the targeted process to restart, resulting in a DoS condition on the affected system. Cisco Bug IDs: CSCvg95792.

Weakness: CWE-755, CWE-399

Which versions are affected by CVE-2018-0286?

It affects 1 product.

Products include Cisco Ios Xr.

How do I fix CVE-2018-0286?

No fix has been published for CVE-2018-0286 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-2018-0286 being exploited?

There is no known exploitation of CVE-2018-0286 in the wild and no public exploit code.

All Cisco Ios Xr vulnerabilities

Sources

Also known as GHSA-fcp3-vvv6-vhfh.

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