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FreeBSD: VID-9EB01384-D793-11EA-88F8-901B0EF719AB (CVE-2020-7459): FreeBSD -- Potential memory corruption in USB network device drivers

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FreeBSD: VID-9EB01384-D793-11EA-88F8-901B0EF719AB (CVE-2020-7459): FreeBSD -- Potential memory corruption in USB network device drivers

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
08/05/2020
Created
08/08/2020
Added
08/06/2020
Modified
10/20/2020

Description

Details for this vulnerability have not been published by NIST at this point. Descriptions from software vendor advisories for this issue are provided below.

From VID-9EB01384-D793-11EA-88F8-901B0EF719AB:

Problem Description:

A missing length validation code common to these three drivers means that a

malicious USB device could write beyond the end of an allocated network

packet buffer.

Impact:

An attacker with physical access to a USB port and the ability to bring a

network interface up may be able to use a specially crafted USB device to

gain kernel or user-space code execution.

Solution(s)

  • freebsd-upgrade-base-11_3-release-p12
  • freebsd-upgrade-base-11_4-release-p2
  • freebsd-upgrade-base-12_1-release-p8

References

  • CVE-2020-7459

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