National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-14117 Detail

Current Description

The AT&T U-verse 9.2.2h0d83 firmware for the Arris NVG589 and NVG599 devices, when IP Passthrough mode is not used, configures an unauthenticated proxy service on WAN TCP port 49152, which allows remote attackers to establish arbitrary TCP connections to intranet hosts by sending \x2a\xce\x01 followed by other predictable values.

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

Quick Info

CVE Dictionary Entry:
CVE-2017-14117
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:
5.9 Medium
Vector:
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N (legend)
Impact Score:
3.6
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):
None
Integrity (I):
High
Availability (A):
None
CVSS Severity (version 2.0):
CVSS v2 Base Score:
4.3 MEDIUM
Vector:
(AV:N/AC:M/Au:N/C:N/I:P/A:N) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Medium
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized modification

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)

Change History 2 change records found - show changes