CVE-2018-15855

CVSS V2 Low 2.1 CVSS V3 Medium 5.5
Description
Unchecked NULL pointer usage 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, because the XkbFile for an xkb_geometry section was mishandled.
Overview
  • CVE ID
  • CVE-2018-15855
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2018-08-25T21:29:01
  • Last Modified Date
  • 2019-08-06T17:15:25
Weakness Enumerations
CWE URL
CWE-476 http://cwe.mitre.org/data/definitions/476.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:xkbcommon_project:xkbcommon:*:*:*:*:*:*:*:* 1 OR 0.8.1
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://lists.freedesktop.org/archives/wayland-devel/2018-August/039232.html Third Party Advisory
https://github.com/xkbcommon/libxkbcommon/commit/917636b1d0d70205a13f89062b95e3a0fc31d4ff Patch Third Party Advisory
https://usn.ubuntu.com/3786-1/ Third Party Advisory
https://security.gentoo.org/glsa/201810-05 Third Party Advisory
https://usn.ubuntu.com/3786-2/ Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2079
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-15855
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15855
History
Created Old Value New Value Data Type Notes
2022-05-10 17:39:29 Added to TrackCVE
2022-12-03 11:28:44 2018-08-25T21:29Z 2018-08-25T21:29:01 CVE Published Date updated
2022-12-03 11:28:44 2019-08-06T17:15:25 CVE Modified Date updated
2022-12-03 11:28:44 Modified Vulnerability Status updated