Executive Summary

Informations
Name CVE-2020-7456 First vendor Publication 2020-06-09
Vendor Cve Last vendor Modification 2020-07-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 6.8
Base Score 6.8 Environmental Score 6.8
impact SubScore 5.9 Temporal Score 6.8
Exploitabality Sub Score 0.9
 
Attack Vector Physical Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 7.2 Attack Range Local
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7456

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 18

Sources (Detail)

Source Url
CONFIRM https://security.netapp.com/advisory/ntap-20200625-0005/
MISC https://security.FreeBSD.org/advisories/FreeBSD-SA-20:17.usb.asc

Alert History

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Date Informations
2021-05-04 13:57:38
  • Multiple Updates
2021-04-22 03:06:41
  • Multiple Updates
2020-07-08 00:22:52
  • Multiple Updates
2020-06-25 13:22:53
  • Multiple Updates
2020-06-10 00:22:56
  • First insertion