Command injection in Cisco IOS XR - CVE-2017-6719

 

Command injection in Cisco IOS XR - CVE-2017-6719

Published: June 22, 2017


Vulnerability identifier: #VU7177
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-6719
CWE-ID: CWE-77
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco IOS XR

Detailed vulnerability description

The vulnerability allows a local authenticated attacker to execute arbitrary commands on the host operating system.

The vulnerability exists in the CLI of Cisco IOS XR Software due to insufficient input validation. A local attacker can send a specially crafted input to a command in a specific group and execute arbitrary commands with root privileges.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


How to mitigate CVE-2017-6719

Install update from vendor's website.

Sources