Path traversal in Cisco Firepower 9300 Security Appliance and Cisco Firepower 4100 Series Next-Generation Firewall - CVE-2018-0300
Published: June 20, 2018 / Updated: June 21, 2018
Vulnerability identifier: #VU13409
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-0300
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco Firepower 9300 Security Appliance
Cisco Firepower 4100 Series Next-Generation Firewall
Cisco Firepower 9300 Security Appliance
Cisco Firepower 4100 Series Next-Generation Firewall
Detailed vulnerability 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.
How to mitigate CVE-2018-0300
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).