CVE-2020-7456
Last modified
CVE-2020-7456 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. 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.. EPSS estimates a 0.56% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Freebsd | Freebsd | 11.3 | — |
| Freebsd | Freebsd | 11.4 | Rc1 |
| Freebsd | Freebsd | 12.1 | — |
| Netapp | Clustered Data Ontap | All versions | — |
References
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:17.usb.ascPatch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20200625-0005/Third Party Advisory
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:17.usb.ascPatch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20200625-0005/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Related CVEs from 2020
- CVE-2020-7450In FreeBSD 12.1-STABLE before r357213, 12.1-RELEASE before 1…9.8
- CVE-2020-7451In FreeBSD 12.1-STABLE before r358739, 12.1-RELEASE before 1…5.3
- CVE-2020-7452In FreeBSD 12.1-STABLE before r357490, 12.1-RELEASE before 1…9.1
- CVE-2020-7453In FreeBSD 12.1-STABLE before r359021, 12.1-RELEASE before 1…6
- CVE-2020-7454In FreeBSD 12.1-STABLE before r360971, 12.1-RELEASE before p…9.8
- CVE-2020-7455In FreeBSD 12.1-STABLE before r360973, 12.1-RELEASE before p…5.5
- CVE-2020-7457In FreeBSD 12.1-STABLE before r359565, 12.1-RELEASE before p…8.1
- CVE-2020-7458In FreeBSD 12.1-STABLE before r362281, 11.4-STABLE before r3…9.8
- CVE-2020-7459In FreeBSD 12.1-STABLE before r362166, 12.1-RELEASE before p…6.8
- CVE-2020-7460In FreeBSD 12.1-STABLE before r363918, 12.1-RELEASE before p…7
- CVE-2020-7461In FreeBSD 12.1-STABLE before r365010, 11.4-STABLE before r3…7.3
- CVE-2020-7462In 11.4-PRERELEASE before r360733 and 11.3-RELEASE before p1…5.5
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