Executive Summary

Informations
Name CVE-2018-18653 First vendor Publication 2018-10-25
Vendor Cve Last vendor Modification 2019-10-03

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 5.9 Temporal Score 7.8
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low 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

The Linux kernel, as used in Ubuntu 18.10 and when booted with UEFI Secure Boot enabled, allows privileged local users to bypass intended Secure Boot restrictions and execute untrusted code by loading arbitrary kernel modules. This occurs because a modified kernel/module.c, in conjunction with certain configuration options, leads to mishandling of the result of signature verification.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18653

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-347 Improper Verification of Cryptographic Signature

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 1

Sources (Detail)

Source Url
MISC https://launchpad.net/bugs/1798863
UBUNTU https://usn.ubuntu.com/3832-1/
https://usn.ubuntu.com/3835-1/

Alert History

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Date Informations
2021-05-04 13:11:29
  • Multiple Updates
2021-04-22 02:25:36
  • Multiple Updates
2020-05-23 01:11:40
  • Multiple Updates
2019-10-03 09:21:03
  • Multiple Updates
2019-01-28 21:19:14
  • Multiple Updates
2018-12-04 17:19:50
  • Multiple Updates
2018-11-30 17:19:02
  • Multiple Updates
2018-10-26 09:19:42
  • First insertion