CVE-2017-14115 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 ssh-permanent-enable WAN SSH logins to the remotessh account with the 5SaP9I26 password which allows remote attackers to access a \Terminal shell v1.0\ service and subsequently obtain unrestricted root privileges by establishing an SSH session and then entering certain shell metacharacters and BusyBox commands.

CVSS Vector

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

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

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.1