CVE-2017-12334: Input Validation
First published: Thu Nov 30 2017(Updated: )
A vulnerability in the CLI of Cisco NX-OS System Software could allow an authenticated, local attacker to perform a command injection attack. An attacker would need valid administrator credentials to perform this exploit. The vulnerability is due to insufficient input validation of command arguments. An attacker could exploit this vulnerability by injecting crafted command arguments into a vulnerable CLI command. An exploit could allow the attacker to execute arbitrary commands as root. This vulnerability affects the following products running Cisco NX-OS System Software: Multilayer Director Switches, Nexus 2000 Series Fabric Extenders, Nexus 3000 Series Switches, Nexus 3500 Platform Switches, Nexus 5000 Series Switches, Nexus 5500 Platform Switches, Nexus 5600 Platform Switches, Nexus 6000 Series Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Nexus 9000 Series Switches in standalone NX-OS mode, Nexus 9500 R-Series Line Cards and Fabric Modules, Unified Computing System Manager. Cisco Bug IDs: CSCvf15113, CSCvf15122, CSCvf15125, CSCvf15131, CSCvf15143, CSCvg04088.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Nx-os | =6.0\(2\)a8\(3\) | |
| Cisco Nx-os | =7.0\(0\)hsk\(0.357\) | |
| Cisco Nx-os | =8.1\(0\)bd\(0.20\) | |
| Cisco Nx-os | =8.1\(0.59\)s0 | |
| Cisco Nx-os | =8.1\(1\) | |
| Cisco Unified Computing System | =7.0\(0\)hsk\(0.357\) |
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Reference Links
Frequently Asked Questions
What is CVE-2017-12334 vulnerability?
CVE-2017-12334 is a vulnerability in the CLI of Cisco NX-OS System Software that allows an authenticated, local attacker to perform a command injection attack.
What is the severity level of CVE-2017-12334?
CVE-2017-12334 has a severity level of 6.7, which is considered high.
How can an attacker exploit CVE-2017-12334?
An attacker with valid administrator credentials can exploit CVE-2017-12334 by performing a command injection attack.
Which versions of Cisco NX-OS System Software are affected by CVE-2017-12334?
Cisco NX-OS System Software versions 6.0(2)a8(3), 7.0(0)hsk(0.357), 8.1(0)bd(0.20), 8.1(0.59)s0, and 8.1(1) are affected by CVE-2017-12334.
How can I fix CVE-2017-12334 vulnerability?
To fix CVE-2017-12334, it is recommended to upgrade to a fixed version of Cisco NX-OS System Software.
- collector/nvd-index
- agent/severity
- agent/references
- agent/weakness
- agent/author
- agent/type
- agent/description
- agent/event
- agent/softwarecombine
- agent/first-publish-date
- agent/last-modified-date
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/cisco
- canonical/cisco nx-os
- version/cisco nx-os/6.0\(2\)a8\(3\)
- version/cisco nx-os/7.0\(0\)hsk\(0.357\)
- version/cisco nx-os/8.1\(0\)bd\(0.20\)
- version/cisco nx-os/8.1\(0.59\)s0
- version/cisco nx-os/8.1\(1\)
- canonical/cisco unified computing system
- version/cisco unified computing system/7.0\(0\)hsk\(0.357\)