CVE-2016-6450 Path traversal in Cisco IOS XE 3.7(0) through Denali-16.3.1

Low 2.5 Published 19 Nov 2016 Updated 6 Aug 2024

An authenticated local attacker can exploit the unbundle utility to gain write access to underlying operating system files on affected Cisco network devices.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2016-6450?

CVE-2016-6450 is a low-severity path traversal vulnerability in Cisco Ios Xe, published on 19 Nov 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability in the package unbundle utility of Cisco IOS XE Software could allow an authenticated, local attacker to gain write access to some files in the underlying operating system. This vulnerability affects the following products if they are running a vulnerable release of Cisco IOS XE Software: Cisco 5700 Series Wireless LAN Controllers, Cisco Catalyst 3650 Series Switches, Cisco Catalyst 3850 Series Switches, Cisco Catalyst 4500E Series Switches, Cisco Catalyst 4500X Series Switches. More Information: CSCva60013 CSCvb22622. Known Affected Releases: 3.7(0) 16.4.1 Denali-16.1.3 Denali-16.2.2 Denali-16.3.1. Known Fixed Releases: 15.2(4)E3 16.1(2.208) 16.2(2.42) 16.3(1.22) 16.4(0.190) 16.5(0.29).

Weakness: CWE-20

Which versions are affected by CVE-2016-6450?

It affects 1 product.

Products include Cisco Ios Xe.

How do I fix CVE-2016-6450?

No fix has been published for CVE-2016-6450 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2016-6450 being exploited?

There is no known exploitation of CVE-2016-6450 in the wild and no public exploit code.

All Cisco Ios Xe vulnerabilities

Sources

Also known as GHSA-98rg-j7wr-2x79.