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CVE-2018-15863

Published: Aug 25, 2018Updated: Nov 21, 2024 Sources: CVE List NVDCWE-476
5.5MEDIUM
NVD MITRE
EPSS Score
0.5%
Top 58.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

Unchecked NULL pointer usage in ResolveStateAndPredicate in xkbcomp/compat.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 with a no-op modmask expression.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-476

Affected Products

xkbcommon
oss-projectaka libxkbcommon
libxkbcommonLibrary
OSS Libraries / generic-library
xkbcommonLibrary
OSS Libraries / generic-library
canonical
commercial·GBaka canonical ltd.
ubuntu linuxOn-premOS
Operating Systems / linux-distro
and 1 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Impact
Initial Access
View detailed technique mapping

References

https://access.redhat.com/errata/RHSA-2019:2079
access.redhat.com
https://github.com/xkbcommon/libxkbcommon/commit/96df3106d49438e442510c59acad306e94f3db4d
github.com
https://lists.freedesktop.org/archives/wayland-devel/2018-August/039243.html
lists.freedesktop.org
and 3 more references View all →

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