Buffer Overflow Affecting zephyrproject-rtos/zephyr package, versions [,3.5.0-rc2)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.08% (37th percentile)

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  • Snyk IDSNYK-UNMANAGED-ZEPHYRPROJECTRTOSZEPHYR-6036516
  • published26 Oct 2023
  • disclosed25 Oct 2023
  • credit0xdea

Introduced: 25 Oct 2023

CVE-2023-5753  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

Upgrade zephyrproject-rtos/zephyr to version 3.5.0-rc2 or higher.

Overview

Affected versions of this package are vulnerable to Buffer Overflow in the ull_adv.c, hci_core.c and iso.c. If the unchecked input is attacker-controlled and crosses a security boundary, the impact could range from denial of service to arbitrary code execution.

Note:

/subsys/bluetooth/controller/ll_sw/ull_adv.c has not been addressed in the fix because the pdu length that is being asserted on has been set by the controller itself prior to the execution of this code, and so it is not coming from the outside world

CVSS Scores

version 3.1