CVE-2018-0224 : A vulnerability in the CLI of the Cisco StarOS operating system for Cisco ASR 50

A vulnerability in the CLI of the Cisco StarOS operating system for Cisco ASR 5000 Series Aggregation Services Routers could allow an authenticated, local attacker to execute arbitrary commands with root privileges on an affected operating system. The vulnerability is due to insufficient validation of user-supplied input by the affected operating system. An attacker could exploit this vulnerability by authenticating to an affected system and injecting malicious arguments into a vulnerable CLI command. A successful exploit could allow the attacker to execute arbitrary commands with root privileges on the affected system. Cisco Bug IDs: CSCvg38807.

Published 2018-03-08 07:29:01

Updated 2020-09-04 18:02:34

Source Cisco Systems, Inc.

View at NVD, CVE.org

Products affected by CVE-2018-0224

Cisco » Staros » Version: 21.3.0.67664
cpe:2.3:o:cisco:staros:21.3.0.67664:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Asr 5000 » Version: N/A
When used together with: Cisco » Asr 5500 » Version: N/A
When used together with: Cisco » Asr 5700 » Version: N/A
Cisco » Staros » Version: 21.5.0
cpe:2.3:o:cisco:staros:21.5.0:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Asr 5000 » Version: N/A
When used together with: Cisco » Asr 5500 » Version: N/A
When used together with: Cisco » Asr 5700 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2018-0224

EPSS FAQ

0.05%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 17 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-0224

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.2	HIGH	AV:L/AC:L/Au:N/C:C/I:C/A:C	3.9	10.0	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
6.7	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	0.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2018-0224

CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')

The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

Assigned by: ykramarz@cisco.com (Secondary)
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-0224

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

Cisco StarOS CLI Command Injection Vulnerability
Vendor Advisory
http://www.securityfocus.com/bid/103344

Cisco StarOS for ASR 5000 Series Routers CVE-2018-0224 Local Command Injection Vulnerability
Third Party Advisory;VDB Entry
http://www.securitytracker.com/id/1040466

Cisco ASR 5000 Series Router StartOS CLI Input Validation Flaws Let Local Users Obtain Elevated Privileges - SecurityTracker
Third Party Advisory;VDB Entry

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Vulnerability Details : CVE-2018-0224

Products affected by CVE-2018-0224

Exploit prediction scoring system (EPSS) score for CVE-2018-0224

CVSS scores for CVE-2018-0224

CWE ids for CVE-2018-0224

References for CVE-2018-0224