VDB-102694 · CVE-2017-3743 · GCVE-0-2017-3743

Lenovo ToolsCenter Advanced Settings Utility information disclosure

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.
6.9	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Lenovo ToolsCenter Advanced Settings Utility, UpdateXpress System Pack Installer and Dynamic System Analysis and classified as critical. This impacts an unknown function. Executing a manipulation can lead to information disclosure. The identification of this vulnerability is CVE-2017-3743. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in Lenovo ToolsCenter Advanced Settings Utility, UpdateXpress System Pack Installer and Dynamic System Analysis (the affected version is unknown) and classified as critical. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

If multiple users are concurrently logged into a single system where one user is sending a command via the Lenovo ToolsCenter Advanced Settings Utility (ASU), UpdateXpress System Pack Installer (UXSPI) or Dynamic System Analysis (DSA) to a second machine, the other users may be able to see the user ID and clear text password that were used to access the second machine during the time the command is processing.

The bug was discovered 06/08/2017. The weakness was shared 06/20/2017 (Website). The advisory is available at support.lenovo.com. This vulnerability was named CVE-2017-3743 since 12/16/2016. The attack can be initiated remotely. A single authentication is needed for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 11 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Lenovo

Name

License

commercial

Website

Vendor: https://www.lenovo.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/16/2016 🔍
06/08/2017 +174 days 🔍
06/19/2017 +11 days 🔍
06/20/2017 +1 days 🔍
06/20/2017 +0 days 🔍
10/19/2019 +851 days 🔍

Sourcesinfo

Vendor: lenovo.com

Advisory: support.lenovo.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-3743 (🔍)
GCVE (CVE): GCVE-0-2017-3743
GCVE (VulDB): GCVE-100-102694

Entryinfo

Created: 06/20/2017 11:50
Updated: 10/19/2019 10:02
Changes: 06/20/2017 11:50 (55), 10/19/2019 10:02 (2)
Complete: 🔍
Cache ID: 216::103