Security restrictions bypass in Cisco ASR 5000 Series - CVE-2018-0122

 

Security restrictions bypass in Cisco ASR 5000 Series - CVE-2018-0122

Published: February 8, 2018


Vulnerability identifier: #VU10418
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-0122
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco ASR 5000 Series

Detailed vulnerability description

The vulnerability allows a local attacker bypass security restrictions and modify data 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 user-supplied input. A local attacker can inject specially crafted command arguments into a vulnerable CLI command and overwrite or modify arbitrary files that are stored in the flash memory.

How to mitigate CVE-2018-0122

Cybersecurity Help is currently unaware of any solutions addressing the vulnerability.

Sources