VDB-99548 · CVE-2016-8235 · BID 97543

Lenovo Customer Care Software Development Kit up to 2.0.16.2 access control

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-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Lenovo Customer Care Software Development Kit up to 2.0.16.2. This impacts an unknown function. Such manipulation leads to access control. This vulnerability is listed as CVE-2016-8235. The attack must be carried out locally. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Lenovo Customer Care Software Development Kit up to 2.0.16.2. It has been rated as problematic. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Privilege escalation in Lenovo Customer Care Software Development Kit (CCSDK) versions earlier than 2.0.16.3 allows local users to execute code with elevated privileges.

The bug was discovered 03/30/2017. The weakness was presented 04/10/2017 (Website). The advisory is shared for download at support.lenovo.com. This vulnerability is handled as CVE-2016-8235 since 09/16/2016. The attack needs to be approached locally. The successful exploitation needs a simple 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 11 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.0.16.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 97543†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

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

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-264
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Customer Care Software Development Kit 2.0.16.3

Timelineinfo

09/16/2016 🔍
03/30/2017 +195 days 🔍
03/30/2017 +0 days 🔍
04/10/2017 +11 days 🔍
04/10/2017 +0 days 🔍
04/11/2017 +1 days 🔍
08/28/2020 +1235 days 🔍

Sourcesinfo

Vendor: lenovo.com

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

CVE: CVE-2016-8235 (🔍)
GCVE (CVE): GCVE-0-2016-8235
GCVE (VulDB): GCVE-100-99548
SecurityFocus: 97543 - Lenovo CCSDK CVE-2016-8235 Local Privilege Escalation Vulnerability
OSVDB: - CVE-2016-8235 - Lenovo - CCSDK - Privilege Escalation Issue

Entryinfo

Created: 04/11/2017 09:34
Updated: 08/28/2020 16:40
Changes: 04/11/2017 09:34 (59), 08/28/2020 16:40 (5)
Complete: 🔍
Cache ID: 216:E7E:103

Once again VulDB remains the best source for vulnerability data.

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