CVE-2019-12670 Cisco IOS XE Software IOx Guest Shell Namespace Protection Vulnerability

Medium 6.7 Published Updated

An authenticated local attacker can bypass IOx Guest Shell namespace protections to modify files outside the container, requiring a patch.

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-2019-12670?

CVE-2019-12670 is a medium-severity vulnerability in Cisco Ios, published on 25 Sep 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability in the filesystem of Cisco IOS XE Software could allow an authenticated, local attacker within the IOx Guest Shell to modify the namespace container protections on an affected device. The vulnerability is due to insufficient file permissions. An attacker could exploit this vulnerability by modifying files that they should not have access to. A successful exploit could allow the attacker to remove container protections and perform file actions outside the namespace of the container.

Weakness: CWE-276, CWE-284

Which versions are affected by CVE-2019-12670?

It affects 1 product.

Products include Cisco Ios.

How do I fix CVE-2019-12670?

No fix has been published for CVE-2019-12670 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-12670 being exploited?

There is no known exploitation of CVE-2019-12670 in the wild and no public exploit code.

All Cisco Ios vulnerabilities

Sources

Also known as GHSA-g944-pxwm-3499.

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