Executive Summary

Informations
Name CVE-2020-7453 First vendor Publication 2020-04-29
Vendor Cve Last vendor Modification 2020-05-06

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Overall CVSS Score 6
Base Score 6 Environmental Score 6
impact SubScore 5.2 Temporal Score 6
Exploitabality Sub Score 0.8
 
Attack Vector Local Attack Complexity Low
Privileges Required High User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:M/Au:N/C:P/I:P/A:N)
Cvss Base Score 3.3 Attack Range Local
Cvss Impact Score 4.9 Attack Complexity Medium
Cvss Expoit Score 3.4 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

In FreeBSD 12.1-STABLE before r359021, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r359020, and 11.3-RELEASE before 11.3-RELEASE-p7, a missing null termination check in the jail_set configuration option "osrelease" may return more bytes with a subsequent jail_get system call allowing a malicious jail superuser with permission to create nested jails to read kernel memory.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7453

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-754 Improper Check for Unusual or Exceptional Conditions

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 10

Sources (Detail)

Source Url
CONFIRM https://security.FreeBSD.org/advisories/FreeBSD-SA-20:08.jail.asc

Alert History

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0
1
2
Date Informations
2021-05-04 13:55:33
  • Multiple Updates
2021-04-22 03:06:19
  • Multiple Updates
2020-05-23 02:40:39
  • First insertion