CVE-2021-44479: Medium severity nxp kinetis k82 vulnerability

Published Dec 1, 2021
·
Updated

NXP Kinetis K82 devices have a buffer over-read via a crafted wlength value in a GET Status-Other request during use of USB In-System Programming (ISP) mode. This discloses protected flash memory.

Affected Software

4 affected components
All of the following
NXP Kinetis K82 Firmware
NXP Kinetis K82
NXP Kinetis K82 Firmware
NXP Kinetis K82

Event History

Dec 1, 2021
CVE Published
via MITRE·02:56 PM
Data Sourced
via MITRE·02:56 PM
DescriptionSeverity
Data Sourced
via NVD·03:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is CVE-2021-44479?

CVE-2021-44479 is a vulnerability that affects NXP Kinetis K82 devices, allowing a buffer over-read via a crafted wlength value in a GET Status-Other request during use of USB In-System Programming (ISP) mode, resulting in the disclosure of protected flash memory.

2

How does CVE-2021-44479 affect NXP Kinetis K82 devices?

CVE-2021-44479 affects NXP Kinetis K82 devices by allowing a buffer over-read when a crafted wlength value is used in a GET Status-Other request during USB In-System Programming (ISP) mode, leading to the disclosure of protected flash memory.

3

What is the severity of CVE-2021-44479?

The severity of CVE-2021-44479 is medium, with a CVSS score of 5.5.

4

How can I fix CVE-2021-44479?

To fix CVE-2021-44479, it is recommended to apply the latest firmware update provided by NXP for the Kinetis K82 devices.

5

What is the Common Weakness Enumeration (CWE) for CVE-2021-44479?

The CWE for CVE-2021-44479 is CWE-125 (Out-of-bounds Read).

Contact

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