VDB-93868 · CVE-2016-8223 · BID 94597

Lenovo System Interface Foundation on Win10 access control

CVSS Meta Temp Score
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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.
7.8$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Lenovo System Interface Foundation on Win10. Impacted is an unknown function. Executing a manipulation can lead to access control. This vulnerability appears as CVE-2016-8223. The attack requires local access. There is no available exploit.

Detailsinfo

A vulnerability was found in Lenovo System Interface Foundation on Win10 (unknown version). It has been declared as critical. This vulnerability affects an unknown code block. The manipulation with an unknown input 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. CVE summarizes:

During an internal security review, Lenovo identified a local privilege escalation vulnerability in Lenovo System Interface Foundation software installed on some Windows 10 PCs where a user with local privileges could run arbitrary code with administrator level privileges.

The bug was discovered 11/17/2016. The weakness was presented 11/29/2016 (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2016-8223 since 09/16/2016. The exploitation appears to be easy. The attack needs to be approached locally. The requirement for exploitation is a single authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 12 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 94597†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/16/2016 🔍
11/17/2016 +62 days 🔍
11/29/2016 +12 days 🔍
11/29/2016 +0 days 🔍
11/29/2016 +0 days 🔍
11/30/2016 +1 days 🔍
06/12/2019 +924 days 🔍

Sourcesinfo

Vendor: lenovo.com

Advisory: securityfocus.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-8223 (🔍)
GCVE (CVE): GCVE-0-2016-8223
GCVE (VulDB): GCVE-100-93868
SecurityFocus: 94597 - Lenovo System Interface Foundation CVE-2016-8223 Local Privilege Escalation Vulnerability

Entryinfo

Created: 11/30/2016 10:33
Updated: 06/12/2019 16:54
Changes: 11/30/2016 10:33 (49), 06/12/2019 16:54 (13)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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