In FreeBSD 12.2-STABLE before r365730, 11.4-STABLE before r365738, 12.1-RELEASE before p10, 11.4-RELEASE before p4, and 11.3-RELEASE before p14, a programming error in the ure(4) device driver caused some Realtek USB Ethernet interfaces to incorrectly report packets with more than 2048 bytes in a single USB transfer as having a length of only 2048 bytes. An adversary can exploit this to cause the driver to misinterpret part of the payload of a large packet as a separate packet, and thereby inject packets across security boundaries such as VLANs.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: freebsd

Published:

Updated: 2024-08-04T09:33:18.651Z

Reserved: 2020-01-21T00:00:00

Link: CVE-2020-7464

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-03-26T21:15:13.257

Modified: 2024-11-21T05:37:11.840

Link: CVE-2020-7464

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.