Improper Input Validation Affecting zephyrproject-rtos/zephyr package, versions [,3.7.0-rc1)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.04% (11th percentile)

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  • Snyk ID SNYK-UNMANAGED-ZEPHYRPROJECTRTOSZEPHYR-7723246
  • published 20 Aug 2024
  • disclosed 19 Aug 2024
  • credit Wei Che Kao

How to fix?

Upgrade zephyrproject-rtos/zephyr to version 3.7.0-rc1 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation due to a missing check in the LL_CONNECTION_UPDATE_IND packet. An attacker can cause a division by zero error by sending a malformed packet.

CVSS Scores

version 4.0
version 3.1
Expand this section

Snyk

Recommended
7.2 high
  • Attack Vector (AV)
    Adjacent
  • Attack Complexity (AC)
    Low
  • Attack Requirements (AT)
    None
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Confidentiality (VC)
    Low
  • Integrity (VI)
    Low
  • Availability (VA)
    High
  • Confidentiality (SC)
    None
  • Integrity (SI)
    None
  • Availability (SA)
    None