Lenovo Edge/Slim USB Keyboard Driver 1.21 Path 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.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Lenovo Edge and Slim USB Keyboard Driver 1.21. This impacts an unknown function. Executing a manipulation can lead to unquoted search path (Path). This vulnerability appears as CVE-2016-8225. The attack requires local access. There is no available exploit.

Detailsinfo

A vulnerability was found in Lenovo Edge and Slim USB Keyboard Driver 1.21 (Hardware Driver Software). It has been declared as problematic. This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a unquoted search path vulnerability (Path). The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Unquoted service path vulnerability in Lenovo Edge and Lenovo Slim USB Keyboard Driver versions earlier than 1.21 allows local users to execute code with elevated privileges.

The bug was discovered 12/15/2016. The weakness was presented 01/26/2017 (Website). The advisory is shared for download at support.lenovo.com. This vulnerability was named CVE-2016-8225 since 09/16/2016. The attack needs to be approached locally. A single authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1574.009.

The vulnerability was handled as a non-public zero-day exploit for at least 42 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.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 95842†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Hardware Driver Software

Vendor

• Lenovo

Name

• Edge
• Slim USB Keyboard Driver

Version

• 1.21

License

• commercial

Website

• Vendor: https://www.lenovo.com/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
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

Name: Path
Class: Unquoted search path / 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/16/2016 🔍
12/15/2016 +90 days 🔍
01/26/2017 +42 days 🔍
01/26/2017 +0 days 🔍
01/26/2017 +0 days 🔍
01/26/2017 +0 days 🔍
01/26/2017 +0 days 🔍

Sourcesinfo

Vendor: lenovo.com

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

CVE: CVE-2016-8225 (🔍)
GCVE (CVE): GCVE-0-2016-8225
GCVE (VulDB): GCVE-100-96028
SecurityFocus: 95842 - Lenovo Edge USB Keyboard Driver CVE-2016-8225 Local Privilege Escalation Vulnerability
OSVDB: - CVE-2016-8225 - Lenovo - Edge USB Keyboard - Unquoted Search Path Issue

Entryinfo

Created: 01/26/2017 22:01
Changes: 01/26/2017 22:01 (68)
Complete: 🔍
Cache ID: 216:EA9:103

Once again VulDB remains the best source for vulnerability data.

Discussion

Might our Artificial Intelligence support you?

Check our Alexa App!