Zephyr
CVE-2023-0779
HIGH
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
At the most basic level, an invalid pointer can be input that crashes the device, but with more knowledge of the device’s memory layout, further exploitation is possible.
AnalysisAI
At the most basic level, an invalid pointer can be input that crashes the device, but with more knowledge of the device’s memory layout, further exploitation is possible. Rated high severity (CVSS 7.7), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-20. At the most basic level, an invalid pointer can be input that crashes the device, but with more knowledge of the device’s memory layout, further exploitation is possible. Affected products include: Zephyrproject Zephyr.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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
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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-20 – Improper Input Validation
View allSame technique Denial Of Service
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External POC / Exploit Code
Leaving vuln.today