CVE-2020-7456: Buffer Overflow
First published: Tue Jun 09 2020(Updated: )
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.
Credit: secteam@freebsd.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FreeBSD FreeBSD | =11.3 | |
| FreeBSD FreeBSD | =11.3-p1 | |
| FreeBSD FreeBSD | =11.3-p2 | |
| FreeBSD FreeBSD | =11.3-p3 | |
| FreeBSD FreeBSD | =11.3-p4 | |
| FreeBSD FreeBSD | =11.3-p5 | |
| FreeBSD FreeBSD | =11.3-p6 | |
| FreeBSD FreeBSD | =11.3-p7 | |
| FreeBSD FreeBSD | =11.3-p8 | |
| FreeBSD FreeBSD | =11.3-p9 | |
| FreeBSD FreeBSD | =11.4-rc1 | |
| FreeBSD FreeBSD | =11.4-rc2 | |
| FreeBSD FreeBSD | =12.1 | |
| FreeBSD FreeBSD | =12.1-p1 | |
| FreeBSD FreeBSD | =12.1-p2 | |
| FreeBSD FreeBSD | =12.1-p3 | |
| FreeBSD FreeBSD | =12.1-p4 | |
| FreeBSD FreeBSD | =12.1-p5 | |
| NetApp Clustered Data ONTAP |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2020-7456?
The severity of CVE-2020-7456 is high.
What software is affected by CVE-2020-7456?
FreeBSD 11.3, 11.4, and 12.1 as well as NetApp Clustered Data ONTAP.
How can an attacker exploit CVE-2020-7456?
An attacker can exploit CVE-2020-7456 by using an invalid memory location for HID items.
Is there a fix available for CVE-2020-7456?
Yes, fixes have been released for FreeBSD and NetApp Clustered Data ONTAP. Please refer to the respective advisories for more information.
Where can I find more information about CVE-2020-7456?
Additional information about CVE-2020-7456 can be found in the FreeBSD and NetApp advisories.
- collector/nvd-index
- vendor/freebsd
- canonical/freebsd freebsd
- version/freebsd freebsd/11.3
- version/freebsd freebsd/11.3-p1
- version/freebsd freebsd/11.3-p2
- version/freebsd freebsd/11.3-p3
- version/freebsd freebsd/11.3-p4
- version/freebsd freebsd/11.3-p5
- version/freebsd freebsd/11.3-p6
- version/freebsd freebsd/11.3-p7
- version/freebsd freebsd/11.3-p8
- version/freebsd freebsd/11.3-p9
- version/freebsd freebsd/11.4-rc1
- version/freebsd freebsd/11.4-rc2
- version/freebsd freebsd/12.1
- version/freebsd freebsd/12.1-p1
- version/freebsd freebsd/12.1-p2
- version/freebsd freebsd/12.1-p3
- version/freebsd freebsd/12.1-p4
- version/freebsd freebsd/12.1-p5
- vendor/netapp
- canonical/netapp clustered data ontap