Out-of-bounds Read Affecting zephyrproject-rtos/zephyr package, versions [,3.6.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-ZEPHYRPROJECTRTOSZEPHYR-8163325
- published7 Oct 2024
- disclosed4 Oct 2024
- creditekleezg
Introduced: 4 Oct 2024
CVE-2024-6443 (opens in a new tab)How to fix?
Upgrade zephyrproject-rtos/zephyr to version 3.6.0 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Read due to utf8_trunc in zephyr/lib/utils/utf8.c file, last_byte_p can point to one byte before the string pointer if the string is empty. An attacker can read data outside the intended buffer boundaries by supplying an empty string as input.