Cisco Adaptive Security Appliance - Path Traversal
                                            CVE-2018-0296
                                        Author: Yassine Aboukir

A security vulnerability identified in Cisco ASA that would allow an attacker to view sensitive system information without authentication by using directory traversal techniques.

Vulnerable Products

This vulnerability affects Cisco ASA Software and Cisco Firepower Threat Defense (FTD) Software that is running on the following Cisco products:

3000 Series Industrial Security Appliance (ISA)
ASA 1000V Cloud Firewall
ASA 5500 Series Adaptive Security Appliances
ASA 5500-X Series Next-Generation Firewalls
ASA Services Module for Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers
Adaptive Security Virtual Appliance (ASAv)
Firepower 2100 Series Security Appliance
Firepower 4100 Series Security Appliance
Firepower 9300 ASA Security Module
FTD Virtual (FTDv)

Script usage

• Installation: git clone https://github.com/yassineaboukir/CVE-2018-0296.git
• Usage (Please use Python 3): python3 cisco_asa.py <URL> (E.g python cisco_asa.py https://vpn.example.com/)

If the web server is vulnerable, the script will dump in a text file both the content of the current directory, files in +CSCOE+, active sessions as well as valid enumerated usernames.

Disclaimer: please note that due to the nature of the vulnerability disclosed to Cisco, this exploit could result in a DoS so test at your own risk.

References:

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-asaftd