1. CVE-Search
  2. CVE-2018-15859
ID CVE-2018-15859
Summary 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.
References
Vulnerable Configurations
  • cpe:2.3:a:xkbcommon:libxkbcommon:*:*:*:*:*:*:*:*
    cpe:2.3:a:xkbcommon:libxkbcommon:*:*:*:*:*:*:*:*
  • cpe:2.3:a:xkbcommon:xkbcommon:*:*:*:*:*:*:*:*
    cpe:2.3:a:xkbcommon:xkbcommon:*:*:*:*:*:*:*:*
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
    cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
    cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
    cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
CVSS
Base: 2.1 (as of 06-08-2019 - 17:15)
Impact:
Exploitability:
CWE CWE-476
CAPEC
Access
VectorComplexityAuthentication
LOCAL LOW NONE
Impact
ConfidentialityIntegrityAvailability
NONE NONE PARTIAL
cvss-vector via4 AV:L/AC:L/Au:N/C:N/I:N/A:P
redhat via4
advisories
rhsa
id RHSA-2019:2079
rpms
  • gdm-1:3.28.2-16.el7
  • gdm-debuginfo-1:3.28.2-16.el7
  • gdm-devel-1:3.28.2-16.el7
  • gdm-pam-extensions-devel-1:3.28.2-16.el7
  • libX11-0:1.6.7-2.el7
  • libX11-common-0:1.6.7-2.el7
  • libX11-debuginfo-0:1.6.7-2.el7
  • libX11-devel-0:1.6.7-2.el7
  • libxkbcommon-0:0.7.1-3.el7
  • libxkbcommon-debuginfo-0:0.7.1-3.el7
  • libxkbcommon-devel-0:0.7.1-3.el7
  • libxkbcommon-x11-0:0.7.1-3.el7
  • libxkbcommon-x11-devel-0:0.7.1-3.el7
  • mesa-libGLw-0:8.0.0-5.el7
  • mesa-libGLw-debuginfo-0:8.0.0-5.el7
  • mesa-libGLw-devel-0:8.0.0-5.el7
  • xorg-x11-drv-ati-0:19.0.1-2.el7
  • xorg-x11-drv-ati-debuginfo-0:19.0.1-2.el7
  • xorg-x11-drv-vesa-0:2.4.0-3.el7
  • xorg-x11-drv-vesa-debuginfo-0:2.4.0-3.el7
  • xorg-x11-drv-wacom-0:0.36.1-3.el7
  • xorg-x11-drv-wacom-debuginfo-0:0.36.1-3.el7
  • xorg-x11-drv-wacom-devel-0:0.36.1-3.el7
  • xorg-x11-server-Xdmx-0:1.20.4-7.el7
  • xorg-x11-server-Xephyr-0:1.20.4-7.el7
  • xorg-x11-server-Xnest-0:1.20.4-7.el7
  • xorg-x11-server-Xorg-0:1.20.4-7.el7
  • xorg-x11-server-Xvfb-0:1.20.4-7.el7
  • xorg-x11-server-Xwayland-0:1.20.4-7.el7
  • xorg-x11-server-common-0:1.20.4-7.el7
  • xorg-x11-server-debuginfo-0:1.20.4-7.el7
  • xorg-x11-server-devel-0:1.20.4-7.el7
  • xorg-x11-server-source-0:1.20.4-7.el7
refmap via4
gentoo GLSA-201810-05
misc
ubuntu
  • USN-3786-1
  • USN-3786-2
Last major update 06-08-2019 - 17:15
Published 25-08-2018 - 21:29
Last modified 06-08-2019 - 17:15
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