National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-15856 Detail

Current Description

An infinite loop when reaching EOL unexpectedly in compose/parser.c (aka the keymap parser) in xkbcommon before 0.8.1 could be used by local attackers to cause a denial of service during parsing of crafted keymap files.

Source:  MITRE
Description Last Modified:  08/25/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 2.1 LOW
Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Insufficient_Info
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/xkbcommon/libxkbcommon/commit/842e4351c2c97de6051cab6ce36b4a81e709a0e1 Patch Third Party Advisory
https://lists.freedesktop.org/archives/wayland-devel/2018-August/039232.html Mailing List Patch Third Party Advisory
https://security.gentoo.org/glsa/201810-05 Third Party Advisory
https://usn.ubuntu.com/3786-1/ Third Party Advisory
https://usn.ubuntu.com/3786-2/

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-15856
NVD Published Date:
08/25/2018
NVD Last Modified:
11/07/2018