Command injection in Cisco ASR 5000 Series - CVE-2018-0217
Published: March 10, 2018
Vulnerability identifier: #VU10899
CSH Severity: Low
CVSS v4: 8.5 [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]
CVE-ID: CVE-2018-0217
CWE-ID: CWE-77
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The weakness exists in the CLI of the Cisco StarOS operating system for Cisco ASR 5000 Series Aggregation Services Routers due to insufficient validation of commands that are supplied to certain configurations in the CLI. A local attacker can inject specially crafted arguments into a vulnerable CLI command, insert and execute arbitrary commands in the CLI.
The weakness exists in the CLI of the Cisco StarOS operating system for Cisco ASR 5000 Series Aggregation Services Routers due to insufficient validation of commands that are supplied to certain configurations in the CLI. A local attacker can inject specially crafted arguments into a vulnerable CLI command, insert and execute arbitrary commands in the CLI.
Affected software
Cisco ASR 5000 Series
How to mitigate CVE-2018-0217
Update to version 21.7.M0.68711, 21.7.D0.68717, 21.7.0.68846, 21.7.0.