CVE-2018-15858

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Summary

CVECVE-2018-15858
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2018-08-25 21:29:00 UTC
Updated2019-03-19 17:34:00 UTC
DescriptionUnchecked 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.

Risk And Classification

Problem Types: CWE-476

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 16.04 All All All
Operating System Canonical Ubuntu Linux 18.04 All All All
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 16.04 All All All
Operating System Canonical Ubuntu Linux 18.04 All All All
Application Xkbcommon Libxkbcommon All All All All
Application Xkbcommon Libxkbcommon All All All All
Application Xkbcommon Xkbcommon All All All All
Application Xkbcommon Xkbcommon All All All All

References

ReferenceSourceLinkTags
keycodes: don't try to copy zero key aliases · xkbcommon/libxkbcommon@badb428 · GitHub MISC github.com Patch, Third Party Advisory
USN-3786-2: libxkbcommon vulnerabilities | Ubuntu security notices UBUNTU usn.ubuntu.com Third Party Advisory
USN-3786-1: libxkbcommon vulnerabilities | Ubuntu security notices UBUNTU usn.ubuntu.com Third Party Advisory
xkbcommon: Multiple vulnerabilities (GLSA 201810-05) — Gentoo security GENTOO security.gentoo.org Third Party Advisory
[ANNOUNCE] libxkbcommon 0.8.1 MISC lists.freedesktop.org Mailing List, Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 710237 Gentoo Linux xkbcommon Multiple Vulnerabilities (GLSA 201810-05)
  • 755582 SUSE Enterprise Linux Security Update for libxkbcommon (SUSE-SU-2024:0037-1)
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