Command execution in Cisco Firepower 4100 Series NGFW and Firepower 9300 Security Appliance

1) Command injection

EUVDB-ID: #VU9093

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-12277

CWE-ID: CWE-77 - Command injection

Exploit availability: No

Description

The vulnerability allows a remote authenticated attacker to execute arbitrary commands on the target system.

The weakness exists in the Smart Licensing Manager service of the Cisco Firepower 4100 Series Next-Generation Firewall (NGFW) and Firepower 9300 Security Appliance due to insufficient input validation of certain Smart Licensing configuration parameters. A remote attacker can configure a malicious URLand execute arbitrary commands with root privileges.

Mitigation

Install update from vendor's website (1.1.4.175, 2.0.1.135).

Vulnerable software versions

Cisco Firepower 9300 Security Appliance: 1.1.3 - 2.0.1

Cisco Firepower 4100 Series Next-Generation Firewall: 1.1.3 - 2.0.1

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171101-fpwr

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.