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FreeBSD : FreeBSD -- USB HID descriptor parsing error (32c92a75-aa71-11ea-92ab-00163e433440)

medium Nessus Plugin ID 137286

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Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

If the push/pop level of the USB HID state is not restored within the processing of the same HID item, an invalid memory location may be used for subsequent HID item processing. Impact : An attacker with physical access to a USB port may be able to use a specially crafted USB device to gain kernel or user-space code execution.

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?44f2c6c9

Plugin Details

Severity: Medium

ID: 137286

File Name: freebsd_pkg_32c92a75aa7111ea92ab00163e433440.nasl

Version: 1.6

Type: local

Published: 6/10/2020

Updated: 8/21/2020

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2020-7456

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:freebsd, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 6/9/2020

Vulnerability Publication Date: 6/3/2020

Reference Information

CVE: CVE-2020-7456

FreeBSD: SA-20:17.usb

IAVA: 2020-A-0295-S