CVE-2018-15858

Impact:
Low
Public Date:
2018-07-23
CWE:
CWE-476
Bugzilla:
1623024: CVE-2018-15858 libxkbcommon: NULL pointer dereference when handling invalid aliases in CopyKeyAliasesToKeymap resulting in a crash

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2018-15858 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 3.3
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact Low

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 libxkbcommon Not affected

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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