Upstream information

CVE-2018-15862 at MITRE

Description

Unchecked NULL pointer usage in LookupModMask 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 with invalid virtual modifiers.

SUSE information

Overall state of this security issue: Running

This issue is currently rated as having low severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 2.1
Vector AV:L/AC:L/Au:N/C:N/I:N/A:P
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 5.5 3.3
Vector AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Access Vector Local Local
Access Complexity Low Low
Privileges Required Low None
User Interaction None Required
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High Low
SUSE Bugzilla entry: 1105832 [NEW]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Module for Basesystem 15
  • libxkbcommon >= 0.8.2-3.3.1
  • libxkbcommon-devel >= 0.8.2-3.3.1
  • libxkbcommon-x11-0 >= 0.8.2-3.3.1
  • libxkbcommon-x11-devel >= 0.8.2-3.3.1
  • libxkbcommon0 >= 0.8.2-3.3.1
Patchnames:
SUSE-SLE-Module-Basesystem-15-2018-2620
openSUSE Leap 15.0
  • libxkbcommon >= 0.8.2-lp150.2.3.1
  • libxkbcommon-debugsource >= 0.8.2-lp150.2.3.1
  • libxkbcommon-devel >= 0.8.2-lp150.2.3.1
  • libxkbcommon-devel-32bit >= 0.8.2-lp150.2.3.1
  • libxkbcommon-x11-0 >= 0.8.2-lp150.2.3.1
  • libxkbcommon-x11-0-32bit >= 0.8.2-lp150.2.3.1
  • libxkbcommon-x11-0-32bit-debuginfo >= 0.8.2-lp150.2.3.1
  • libxkbcommon-x11-0-debuginfo >= 0.8.2-lp150.2.3.1
  • libxkbcommon-x11-devel >= 0.8.2-lp150.2.3.1
  • libxkbcommon-x11-devel-32bit >= 0.8.2-lp150.2.3.1
  • libxkbcommon0 >= 0.8.2-lp150.2.3.1
  • libxkbcommon0-32bit >= 0.8.2-lp150.2.3.1
  • libxkbcommon0-32bit-debuginfo >= 0.8.2-lp150.2.3.1
  • libxkbcommon0-debuginfo >= 0.8.2-lp150.2.3.1
Patchnames:
openSUSE-2019-913


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
SUSE Linux Enterprise BSK 12 SP3 libxkbcommon Analysis
SUSE Linux Enterprise Desktop 12 SP3 libxkbcommon Analysis
SUSE Linux Enterprise Desktop 12 SP3 xkbcomp Analysis
SUSE Linux Enterprise Module for Basesystem 15 GA libxkbcommon Released
SUSE Linux Enterprise Module for Basesystem 15 GA xkbcomp Analysis
SUSE Linux Enterprise SDK 12 SP3 libxkbcommon Analysis
SUSE Linux Enterprise SDK 12 SP3 xkbcomp Analysis
SUSE Linux Enterprise Server 12 GA LTSS xkbcomp Analysis
SUSE Linux Enterprise Server 12 SP1 LTSS xkbcomp Analysis
SUSE Linux Enterprise Server 12 SP2 LTSS libxkbcommon Analysis
SUSE Linux Enterprise Server 12 SP2 LTSS xkbcomp Analysis
SUSE Linux Enterprise Server 12 SP3 libxkbcommon Analysis
SUSE Linux Enterprise Server 12 SP3 xkbcomp Analysis