Lenovo Service Framework on Android Integrity Verification credentials management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Lenovo Service Framework on Android and classified as critical. Affected by this issue is some unknown functionality of the component Integrity Verification. Executing a manipulation can lead to credentials management. The identification of this vulnerability is CVE-2017-3760. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Lenovo Service Framework on Android (Android App Software) (the affected version is unknown). It has been declared as critical. This vulnerability affects an unknown code of the component Integrity Verification. The manipulation with an unknown input leads to a credentials management vulnerability. The CWE definition for the vulnerability is CWE-255. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The Lenovo Service Framework Android application uses a set of nonsecure credentials when performing integrity verification of downloaded applications and/or data. This exposes the application to man-in-the-middle attacks leading to possible remote code execution.

The bug was discovered 10/05/2017. The weakness was shared 10/17/2017 (Website). The advisory is shared for download at support.lenovo.com. This vulnerability was named CVE-2017-3760 since 12/16/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1552. threatpost.com writes: "Security experts are urging Lenovo customers to update their Android tablets and handsets to protect themselves against a handful of critical vulnerabilities impacting tens of millions of vulnerable Lenovo devices."

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.

Additional details are provided at threatpost.com. The entries VDB-107942, VDB-107943 and VDB-107945 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.7

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
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: Credentials management
CWE: CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

12/16/2016 🔍
10/05/2017 +293 days 🔍
10/17/2017 +12 days 🔍
10/17/2017 +0 days 🔍
10/18/2017 +1 days 🔍
11/26/2019 +769 days 🔍

Sourcesinfo

Vendor: lenovo.com

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

CVE: CVE-2017-3760 (🔍)
GCVE (CVE): GCVE-0-2017-3760
GCVE (VulDB): GCVE-100-107944
scip Labs: https://www.scip.ch/en/?labs.20130704
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 10/18/2017 09:06
Updated: 11/26/2019 08:45
Changes: 10/18/2017 09:06 (60), 11/26/2019 08:45 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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