Lenovo System Interface Foundation prior 1.1.19.5 Configuration File default permission

CVSS Meta Temp Score
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4.2$0-$5k0.00

A vulnerability was found in Lenovo System Interface Foundation. It has been rated as problematic. Affected by this issue is an unknown functionality of the component Configuration File. The manipulation with an unknown input leads to a default permission vulnerability. Using CWE to declare the problem leads to CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. Impacted is availability. CVE summarizes:

A denial of service vulnerability was reported in the Lenovo Vantage component called Lenovo System Interface Foundation prior to version 1.1.19.5 that could allow configuration files to be written to non-standard locations.

The weakness was presented 09/15/2020 (Website). The advisory is shared for download at support.lenovo.com. This vulnerability is handled as CVE-2020-8346 since 01/28/2020. 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 T1222.

Upgrading to version 1.1.19.5 eliminates this vulnerability.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Default permission
CWE: CWE-276 / CWE-266
ATT&CK: T1222

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: System Interface Foundation 1.1.19.5

Timelineinfo

01/28/2020 🔍
09/15/2020 +231 days 🔍
09/16/2020 +1 days 🔍
09/16/2020 +0 days 🔍

Sourcesinfo

Vendor: lenovo.com

Advisory: support.lenovo.com
Status: Not defined

CVE: CVE-2020-8346 (🔍)

Entryinfo

Created: 09/16/2020 09:45
Updated: 09/16/2020 09:50
Changes: 09/16/2020 09:45 (38), 09/16/2020 09:50 (11)
Complete: 🔍

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