Vulnerability identifier: #VU13409

Vulnerability risk: High

CVSSv3.1: 8.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-0300

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco Firepower 9300 Security Appliance
Hardware solutions / Security hardware applicances
Cisco Firepower 4100 Series Next-Generation Firewall
Hardware solutions / Firmware

Vendor: Cisco Systems, Inc

Description

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

The vulnerability exists in the process of uploading new application images to the Cisco Firepower 4100 Series Next-Generation Firewall (NGFW) and Firepower 9300 Security Appliance due to path traversal when insufficient validation during the application image upload process. A remote attacker can create an application image containing malicious code and install the image on the affected device using the CLI or web-based user interface (web UI), conduct path traversal attack, create or overwrite arbitrary files and execute arbitrary code with elevated privileges.

Mitigation
The vulnerability is fixed in the versions 2.2(1.101), 2.1(1.1764), 2.1(1.47), 2.0(1.140), 1.1(4.168).

Vulnerable software versions

Cisco Firepower 9300 Security Appliance: 2.0.1.68

Cisco Firepower 4100 Series Next-Generation Firewall: 2.0.1.68

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-firepwr-pt

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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.