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CVE-2018-15859 Detail

Description

Unchecked NULL pointer usage when parsing invalid atoms in ExprResolveLhs in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file, because lookup failures are mishandled.


Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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/bb4909d2d8fa6b08155e449986a478101e2b2634 Patch  Third Party Advisory 
https://lists.freedesktop.org/archives/wayland-devel/2018-August/039243.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-476 NULL Pointer Dereference cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-15859
NVD Published Date:
08/25/2018
NVD Last Modified:
08/06/2019
Source:
MITRE