cisco-sa-staros-privilege-esc-pyb7YTd: Cisco StarOS Privilege Escalation Vulnerability
First published: Wed Oct 07 2020(Updated: )
A vulnerability in the CLI of Cisco StarOS operating system for Cisco ASR 5000 Series Routers could allow an authenticated, local attacker to elevate privileges on an affected device. The vulnerability is due to insufficient input validation of CLI commands. An attacker could exploit this vulnerability by sending crafted commands to the CLI. A successful exploit could allow the attacker to execute arbitrary code with the privileges of the root user on the affected device. To exploit this vulnerability, an attacker would need to have valid credentials on an affected device and know the password for the cli test-commands command. 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-staros-privilege-esc-pyb7YTd
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco StarOS Major |
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Reference Links
Frequently Asked Questions
What is the severity of Cisco-SA-STAROS-PRIVILEGE-ESC-PYB7YT?
The severity of Cisco-SA-STAROS-PRIVILEGE-ESC-PYB7YT is classified as high due to the potential for privilege escalation.
How do I fix Cisco-SA-STAROS-PRIVILEGE-ESC-PYB7YT?
To fix Cisco-SA-STAROS-PRIVILEGE-ESC-PYB7YT, update the Cisco StarOS to the latest version provided by Cisco.
Who is affected by Cisco-SA-STAROS-PRIVILEGE-ESC-PYB7YT?
Cisco ASR 5000 Series Routers running affected versions of Cisco StarOS are vulnerable to Cisco-SA-STAROS-PRIVILEGE-ESC-PYB7YT.
What type of vulnerability is Cisco-SA-STAROS-PRIVILEGE-ESC-PYB7YT?
Cisco-SA-STAROS-PRIVILEGE-ESC-PYB7YT is a privilege escalation vulnerability stemming from insufficient input validation.
Can Cisco-SA-STAROS-PRIVILEGE-ESC-PYB7YT be exploited remotely?
No, Cisco-SA-STAROS-PRIVILEGE-ESC-PYB7YT requires local access by an authenticated attacker to exploit the vulnerability.
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