Description
In FreeBSD 12.1-STABLE before r362166, 12.1-RELEASE before p8, 11.4-STABLE before r362167, 11.4-RELEASE before p2, and 11.3-RELEASE before p12, missing length validation code common to mulitple USB network drivers allows a malicious USB device to write beyond the end of an allocated network packet buffer.
References (2)
Core 2
Core References
Vendor Advisory x_refsource_misc
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:21.usb_net.asc
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20200821-0005/
Scores
CVSS v3
6.8
EPSS
0.0006
EPSS Percentile
18.9%
Attack Vector
PHYSICAL
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-20
Status
published
Products (3)
freebsd/freebsd
11.3 (12 CPE variants)
freebsd/freebsd
11.4 (2 CPE variants)
freebsd/freebsd
12.1 (7 CPE variants)
Published
Aug 06, 2020
Tracked Since
Feb 18, 2026