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CVE-2017-3748

Quick assessment

Affected
Lenovo Group Ltd. Lenovo Vibe and Lenovo China-only Moto Mobile Phones
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Android 6.0 Marshmallow是美国谷歌（Google）公司和开放手持设备联盟（简称OHA）共同开发的一套以Linux为基础的开源操作系统。Lenovo A1600等都是中国联想（Lenovo）公司的使用Android 6.0 Marshmallow操作系统的智能手机产品。 使用Android 6.0 Marshmallow之前的版本的多款Lenovo VIBE手机中存在提权漏洞。攻击者可利用该漏洞将权限提升至root。以下产品受到影响：Lenovo A1600；A2560；A2800；A

AI Predicted 9.8 Difficulty: Easy EPSS 0.18% · P7
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I. Basic Information for CVE-2017-3748

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
On Lenovo VIBE mobile phones, improper access controls on the nac_server component can be abused in conjunction with CVE-2017-3749 and CVE-2017-3750 to elevate privileges to the root user (commonly known as 'rooting' or "jail breaking" a device).
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
多款Lenovo VIBE手机权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Android 6.0 Marshmallow是美国谷歌（Google）公司和开放手持设备联盟（简称OHA）共同开发的一套以Linux为基础的开源操作系统。Lenovo A1600等都是中国联想（Lenovo）公司的使用Android 6.0 Marshmallow操作系统的智能手机产品。 使用Android 6.0 Marshmallow之前的版本的多款Lenovo VIBE手机中存在提权漏洞。攻击者可利用该漏洞将权限提升至root。以下产品受到影响：Lenovo A1600；A2560；A2800；A
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Lenovo Group Ltd. Lenovo Vibe and Lenovo China-only Moto Mobile Phones Earlier than 6.0 -

II. Public POCs for CVE-2017-3748

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III. Intelligence Information for CVE-2017-3748

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Vendor Advisories for CVE-2017-3748 (2)

Same Patch Batch · Lenovo Group Ltd. · 2017-06-29 · 4 CVEs total

CVE-2017-3747 多款Lenovo产品Nerve Center for Windows 10 安全漏洞
CVE-2017-3749 多款Lenovo VIBE手机权限许可和访问控制问题漏洞
CVE-2017-3750 多款Lenovo VIBE手机权限许可和访问控制问题漏洞

IV. Related Vulnerabilities

Same product: Lenovo Vibe and Lenovo China-only Moto Mobile Phones
Same vendor: Lenovo Group Ltd.

V. Comments for CVE-2017-3748

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