Zephyr
CVE-2023-4424
HIGH
Severity by source
AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
An malicious BLE device can cause buffer overflow by sending malformed advertising packet BLE device using Zephyr OS, leading to DoS or potential RCE on the victim BLE device.
AnalysisAI
An malicious BLE device can cause buffer overflow by sending malformed advertising packet BLE device using Zephyr OS, leading to DoS or potential RCE on the victim BLE device. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Integer Overflow (CWE-190), which allows attackers to cause unexpected behavior through arithmetic overflow. An malicious BLE device can cause buffer overflow by sending malformed advertising packet BLE device using Zephyr OS, leading to DoS or potential RCE on the victim BLE device. Affected products include: Zephyrproject Zephyr.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate arithmetic operations, use safe integer libraries, check bounds before allocation.
Potential off-by-one buffer overflow vulnerability in the Zephyr fuse file system. Rated critical severity (CVSS 10.0),
Possible variant of CVE-2021-3434 in function le_ecred_reconf_req. Rated critical severity (CVSS 9.8), this vulnerabilit
Unchecked user input length in /subsys/net/l2/wifi/wifi_shell.c can cause buffer overflows. Rated critical severity (CVS
Potential buffer overflow vulnerability in the Zephyr CAN bus subsystem. Rated critical severity (CVSS 9.8), this vulner
Integer Underflow in 6LoWPAN IPHC Header Uncompression in Zephyr. Rated critical severity (CVSS 9.8), this vulnerability
Buffer overflow in Zephyr USB DFU DNLOAD. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable
DOS: Incorrect 802154 Frame Validation for Omitted Source / Dest Addresses. Rated critical severity (CVSS 9.8), this vul
zephyr-rtos version 1.12.0 contains a NULL base pointer reference vulnerability in sys_ring_buf_put(), sys_ring_buf_get(
Potential buffer overflow vulnerabilities n the Zephyr Bluetooth subsystem. Rated critical severity (CVSS 9.6), this vul
Buffer overflow in Zephyr RTOS dns_unpack_name() function causing OOB writes. PoC available.
The documentation specifies that the BT_GATT_PERM_READ_LESC and BT_GATT_PERM_WRITE_LESC defines for a Bluetooth characte
Potential buffer overflows in the Bluetooth subsystem due to asserts being disabled in /subsys/bluetooth/host/hci_core.c
Same weakness CWE-190 – Integer Overflow or Wraparound
View allSame technique Integer Overflow
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External POC / Exploit Code
Leaving vuln.today