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
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 5.5 MEDIUM
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://access.redhat.com/errata/RHSA-2019:2079
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/ Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop') NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:xkbcommon:xkbcommon:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
0.8.1

Configuration 2 ( hide )
 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)


Change History

7 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-15856
NVD Published Date:
08/25/2018
NVD Last Modified:
10/02/2019