ID: CVE-2021-3861

Last Modified: Feb. 11, 2022

The RNDIS USB device class includes a buffer overflow vulnerability. Zephyr versions >= v2.6.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hvfp-w4h8-gxvj

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EPSS History

Current EPSS Score: 0.00885

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Github Repos: 1

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Exploits

Found exploits:

Attack Vector: Physical

Attack Complexity: Low

Privileges Required: None

User Interaction: None

Scope: Unchanged

Confidentiality: High

Integrity: High

Availability: High

Base Score: 6.8

Exploitability Score: 0.9

Impact Score: 5.9

CVSS V3: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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Access Vector: Local

Access Complexity: Low

Authentication: None

Confidentiality Impact: Complete

Integrity Impact: Complete

Availability Impact: Complete

Base Score: 7.2

Exploitability Score: 3.9

Impact Score: 10.0

CVSS V2: AV:L/AC:L/Au:N/C:C/I:C/A:C

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CWE-787

Condition Configuration
OR
OR
Alle Schwachstellen für zephyrproject
                    <?xml version="1.0" ?>
<set operator="and">
    <set operator="or">
        <prop key="operating_system" value="cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*"/>
    </set>
    <prop key="program_influence" value="input"/>
    <prop key="range" value="local"/>
</set>

                  
                      <?xml version="1.0" ?>
<set operator="and">
    <prop key="target" value="host"/>
    <set operator="or">
        <prop key="program_influence" value="input"/>
        <prop key="program_influence" value="output"/>
        <prop key="program_influence" value="existence"/>
    </set>
    <prop key="data" value="any"/>
    <set operator="or">
        <prop key="data_influence" value="read"/>
        <prop key="data_influence" value="write"/>
        <prop key="data_influence" value="delete"/>
    </set>
    <set operator="or">
        <prop key="range" value="local"/>
        <prop key="range" value="local"/>
    </set>
</set>