VDB-105203 · CVE-2017-3751 · OpenVAS 880988

ThinkPad Compact USB Keyboard Driver up to 1.5.4 unquoted search path

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.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in ThinkPad Compact USB Keyboard Driver up to 1.5.4. It has been rated as problematic. Affected is an unknown function. The manipulation leads to unquoted search path. This vulnerability is listed as CVE-2017-3751. The attack must be carried out locally. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in ThinkPad Compact USB Keyboard Driver up to 1.5.4 (Hardware Driver Software). This issue affects an unknown function. The manipulation with an unknown input leads to a unquoted search path vulnerability. Using CWE to declare the problem leads to CWE-428. The product uses a search path that contains an unquoted element, in which the element contains whitespace or other separators. This can cause the product to access resources in a parent path. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An unquoted service path vulnerability was identified in the driver for the ThinkPad Compact USB Keyboard with TrackPoint versions earlier than 1.5.5.0. This could allow an attacker with local privileges to execute code with administrative privileges.

The bug was discovered 07/27/2017. The weakness was presented 08/10/2017 (Website). It is possible to read the advisory at support.lenovo.com. The identification of this vulnerability is CVE-2017-3751 since 12/16/2016. Attacking locally is a requirement. The successful exploitation requires a simple authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1574.009 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 13 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 1.5.5.0 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Hardware Driver Software

Vendor

ThinkPad

Name

Compact USB Keyboard Driver

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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: Unquoted search path
CWE: CWE-428 / CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

OpenVAS ID: 880988
OpenVAS Name: ereg_replace( string:path_name, pattern:\s+(/|\-|\-\-).*, replace:
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Compact USB Keyboard Driver 1.5.5.0

Timelineinfo

12/16/2016 🔍
07/27/2017 +223 days 🔍
08/09/2017 +13 days 🔍
08/10/2017 +1 days 🔍
08/10/2017 +0 days 🔍
11/06/2019 +818 days 🔍

Sourcesinfo

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

CVE: CVE-2017-3751 (🔍)
GCVE (CVE): GCVE-0-2017-3751
GCVE (VulDB): GCVE-100-105203

Entryinfo

Created: 08/10/2017 14:52
Updated: 11/06/2019 09:35
Changes: 08/10/2017 14:52 (63), 11/06/2019 09:35 (2)
Complete: 🔍
Cache ID: 216::103