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Category:   Device (Router/Bridge/Hub)  >   Cisco ASR Router Vendors:   Cisco
Cisco ASR 5000 Series Router StartOS CLI Input Validation Flaws Let Local Users Obtain Elevated Privileges
SecurityTracker Alert ID:  1040466
SecurityTracker URL:  http://securitytracker.com/id/1040466
CVE Reference:   CVE-2018-0217, CVE-2018-0224   (Links to External Site)
Date:  Mar 8 2018
Impact:   Execution of arbitrary code via local system, Root access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): ASR 5000 Series
Description:   Two vulnerabilities were reported in Cisco ASR 5000 Series Routers. A local user can obtain root privileges on the target system.

A local user with administrator privileges can supply specially crafted command line interface (CLI) command arguments to exploit an input validation flaw in the Cisco StarOS operating system and execute arbitrary commands on the target system [CVE-2018-0217, CVE-2018-0224].

CVE-2018-0224 can be exploited to obtain root privileges.

The vendor has assigned bug IDs CSCvg29441 and CSCvg38807 to these vulnerabilities.

Impact:   A local administrative user can obtain root privileges on the target system.
Solution:   The vendor has issued a fix.

The vendor advisories are available at:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180307-staros
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180307-staros1

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180307-staros (Links to External Site)
Cause:   Input validation error

Message History:   None.


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