CVE-2020-7456 — MEDIUM (6.8)

Vulnerability Description

In FreeBSD 12.1-STABLE before r361918, 12.1-RELEASE before p6, 11.4-STABLE before r361919, 11.3-RELEASE before p10, and 11.4-RC2 before p1, an invalid memory location may be used for HID items if the push/pop level is not restored within the processing of that HID item allowing an attacker with physical access to a USB port to be able to use a specially crafted USB device to gain kernel or user-space code execution.

CVSS Score

6.8

MEDIUM

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Freebsd	Freebsd	11.3
Netapp	Clustered Data Ontap	-

Related Weaknesses (CWE)

CWE-119

References

https://security.FreeBSD.org/advisories/FreeBSD-SA-20:17.usb.ascPatchVendor Advisory
https://security.netapp.com/advisory/ntap-20200625-0005/Third Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:17.usb.ascPatchVendor Advisory
https://security.netapp.com/advisory/ntap-20200625-0005/Third Party Advisory

FAQ

What is CVE-2020-7456?

CVE-2020-7456 is a vulnerability with a CVSS score of 6.8 (MEDIUM). In FreeBSD 12.1-STABLE before r361918, 12.1-RELEASE before p6, 11.4-STABLE before r361919, 11.3-RELEASE before p10, and 11.4-RC2 before p1, an invalid memory location may be used for HID items if the ...

How severe is CVE-2020-7456?

CVE-2020-7456 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-7456?

Check the references section above for vendor advisories and patch information. Affected products include: Freebsd Freebsd, Netapp Clustered Data Ontap.