CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.5	$0-$5k	0.00

A vulnerability classified as critical was found in AT&T U-verse up to 9.2.2h0d83 on NVG589/NVG599. Affected by this vulnerability is an unknown functionality of the component IP Passthrough Mode. The manipulation of the argument username:password with the input value remotessh:5SaP9I26 leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The bug was discovered 08/31/2017. The weakness was presented 09/03/2017 (Website). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2017-14115 since 09/03/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 102915 (Default Password '5SaP9I26' for 'remotessh' Account), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Default Unix Accounts and running in the context r.

Proper firewalling of ssh is able to address this issue.

The vulnerability is also documented in the vulnerability database at Tenable (102915). See 106092, 106094 and 106095 for similar entries.

Productinfo

Vendor

• AT&T

Name

• U-verse

Version

• 9.2.2h0d83

License

• commercial

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 102915
Nessus Name: Default Password '5SaP9I26' for 'remotessh' Account
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Firewalling: 🔍

Timelineinfo

08/31/2017 🔍
08/31/2017 +0 days 🔍
09/01/2017 +1 days 🔍
09/03/2017 +2 days 🔍
09/03/2017 +0 days 🔍
09/03/2017 +0 days 🔍
09/04/2017 +1 days 🔍
01/10/2021 +1224 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Nomotion
Status: Not defined

CVE: CVE-2017-14115 (🔍)
SecurityFocus: 100585 - AT&T U-verse Arris Modems Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 09/04/2017 09:02
Updated: 01/10/2021 16:06
Changes: 09/04/2017 09:02 (72), 12/29/2019 17:01 (3), 01/10/2021 16:06 (3)
Complete: 🔍

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