CVE-2018-0115 Command injection in Cisco StarOS

Medium 6.7 Published Updated

Authenticated local attackers can inject commands into the CLI to execute arbitrary code with root privileges on Cisco ASR 5000 routers.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2018-0115?

CVE-2018-0115 is a medium-severity command injection vulnerability in Cisco StarOS, published on 18 Jan 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability in the CLI of the Cisco StarOS operating system for Cisco ASR 5000 Series routers could allow an authenticated, local attacker to execute arbitrary commands with root privileges on an affected host operating system. The vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by injecting malicious command arguments into a vulnerable CLI command. A successful exploit could allow the attacker to execute arbitrary commands with root privileges. To exploit this vulnerability, the attacker would need to authenticate to the affected system by using valid administrator credentials. Cisco Bug IDs: CSCvf93332.

Weakness: CWE-78

Which versions are affected by CVE-2018-0115?

It affects 1 product.

Products include Cisco Staros.

How do I fix CVE-2018-0115?

No fix has been published for CVE-2018-0115 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2018-0115 being exploited?

There is no known exploitation of CVE-2018-0115 in the wild and no public exploit code.

Sources

Also known as GHSA-c98r-w87r-fgfv.

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