Executive Summary

Informations
Name CVE-2018-15858 First vendor Publication 2018-08-25
Vendor Cve Last vendor Modification 2019-03-19

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 5.5
Base Score 5.5 Environmental Score 5.5
impact SubScore 3.6 Temporal Score 5.5
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 2.1 Attack Range Local
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Unchecked NULL pointer usage when handling invalid aliases in CopyKeyAliasesToKeymap in xkbcomp/keycodes.c in xkbcommon before 0.8.1 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15858

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-476 NULL Pointer Dereference

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1
Os 3

Nessus® Vulnerability Scanner

Date Description
2018-10-31 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201810-05.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

Source Url
GENTOO https://security.gentoo.org/glsa/201810-05
MISC https://github.com/xkbcommon/libxkbcommon/commit/badb428e63387140720f22486b3a...
https://lists.freedesktop.org/archives/wayland-devel/2018-August/039232.html
UBUNTU https://usn.ubuntu.com/3786-1/
https://usn.ubuntu.com/3786-2/

Alert History

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Date Informations
2021-05-04 13:09:55
  • Multiple Updates
2021-04-22 02:23:32
  • Multiple Updates
2020-05-23 01:08:15
  • Multiple Updates
2019-03-19 21:19:47
  • Multiple Updates
2018-11-07 17:20:18
  • Multiple Updates
2018-10-31 13:21:24
  • Multiple Updates
2018-10-23 21:20:12
  • Multiple Updates
2018-10-09 17:19:40
  • Multiple Updates
2018-08-26 00:20:06
  • First insertion