Buffer overflow in Zephyrproject Zephyr
CVE-2023-4265
Potential buffer overflow vulnerabilities in the following locations: https://github.com/zephyrproject-rtos/zephyr/blob/main/drivers/usb/device/usb_dc_native_posix.c#L359 https://github.com/zephyrproject-rtos/zephyr/blob/main/drivers/usb/device/usb_dc_native_posix.c#L359 https://github.com/zephyrproject-rtos/zephyr/blob/main/subsys/usb/device/class/netusb/function_rndis... https://github.com/zephyrproject-rtos/zephyr/blob/main/subsys/usb/device/class/netusb/function_rndis.c#L841
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (55.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-4vgv-5r6q-r6xh (Exploit, Vendor Advisory)
- www.openwall.com/lists/oss-security/2023/11/07/1 (Mailing List)
- seclists.org/fulldisclosure/2023/Nov/1 (Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-4265?
- CVE-2023-4265 is a medium-severity vulnerability in Zephyrproject Zephyr, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.4/10. Published 2023-08-12.
- How severe is CVE-2023-4265?
- Medium severity. CVSS v3 base score is 6.4 out of 10.
- Is CVE-2023-4265 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.