cisco-sa-20190306-nxos-pe: Cisco NX-OS Software Bash Shell Privilege Escalation Vulnerability
First published: Wed Mar 06 2019(Updated: )
A vulnerability in the Bash shell implementation for Cisco NX-OS Software could allow an authenticated, local attacker to escalate their privilege level to root. The attacker must authenticate with valid user credentials. The vulnerability is due to incorrect permissions of a system executable. An attacker could exploit this vulnerability by authenticating to the device and entering a crafted command at the Bash prompt. A successful exploit could allow the attacker to escalate their privilege level to root. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-pe
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco NX-OS Software | ||
| Cisco NX-OS Software | =7.0(3)<7.0(3)F3(3c)2 | 7.0(3)F3(3c)2 |
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Reference Links
Frequently Asked Questions
What is Cisco NX-OS Software Bash Shell Privilege Escalation Vulnerability?
It is a vulnerability in the Bash shell implementation for Cisco NX-OS Software that could allow an authenticated, local attacker to escalate their privilege level to root.
How can an attacker exploit Cisco NX-OS Software Bash Shell Privilege Escalation Vulnerability?
The attacker must authenticate with valid user credentials and exploit the vulnerability in the system executable.
What is the severity of Cisco NX-OS Software Bash Shell Privilege Escalation Vulnerability?
The severity of this vulnerability is high with a CVSS score of 7.8.
Which versions of Cisco NX-OS Software are affected by this vulnerability?
Cisco NX-OS Software version 7.0(3) and up to 7.0(3)F3(3c)2 are affected by this vulnerability.
Is there a remedy available for Cisco NX-OS Software Bash Shell Privilege Escalation Vulnerability?
No specific remedy has been provided for this vulnerability.
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