National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-14116 Detail

Current Description

The AT&T U-verse 9.2.2h0d83 firmware for the Arris NVG599 device, when IP Passthrough mode is not used, configures WAN access to a caserver https service with the tech account and an empty password, which allows remote attackers to obtain root privileges by establishing a session on port 49955 and then installing new software, such as BusyBox with "nc -l" support.

Source:  MITRE      Last Modified:  09/03/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-14116
Original release date:
09/03/2017
Last revised:
09/13/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
8.1 High
Vector:
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H (legend)
Impact Score:
5.9
Exploitability Score:
2.2
CVSS Version 3 Metrics:
Attack Vector (AV):
Network
Attack Complexity (AC):
High
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
CVSS Severity (version 2.0):
CVSS v2 Base Score:
9.3 HIGH
Vector:
(AV:N/AC:M/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore:
10.0
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Medium
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://www.securityfocus.com/bid/100585 Third Party Advisory; VDB Entry External Source BID 100585
https://threatpost.com/bugs-in-arris-modems-distributed-by-att-vulnerable-to-trivial-attacks/127753/ Third Party Advisory External Source MISC https://threatpost.com/bugs-in-arris-modems-distributed-by-att-vulnerable-to-trivial-attacks/127753/
https://www.nomotion.net/blog/sharknatto/ Exploit; Mitigation; Technical Description; Third Party Advisory External Source MISC https://www.nomotion.net/blog/sharknatto/

Technical Details

Vulnerability Type (View All)

  • Use of Hard-coded Credentials (CWE-798)

Change History 2 change records found - show changes