CVE-2017-14117 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Reference

http://www.securityfocus.com/bid/100585 https://threatpost.com/bugs-in-arris-modems-distributed-by-att-vulnerable-to-trivial-attacks/127753/ https://www.nomotion.net/blog/sharknatto/

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

5.9