A vulnerability exists in the iox command in Cisco IOS and IOS XE Software that could allow an authenticated, local attacker to perform command injection into the IOx Linux guest operating system (GOS). This vulnerability is due to insufficient input validation of iox command line arguments. An attacker could exploit this vulnerability by providing crafted options to the iox command. An exploit could allow the attacker to execute commands of their choice in the Linux GOS. Cisco has not released software updates that address this vulnerability. Workarounds that address this vulnerability are not available. This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160921-iox
The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
| Version | Description | Section | Status | Date |
|---|---|---|---|---|
| 1.0 | Initial public release. | - | Final | 2016-September-21 |
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