CVE-2018-14775

CVSS V2 Medium 4.9 CVSS V3 Medium 5.5
Description
tss_alloc in sys/arch/i386/i386/gdt.c in OpenBSD 6.2 and 6.3 has a Local Denial of Service (system crash) due to incorrect I/O port access control on the i386 architecture.
Overview
  • CVE ID
  • CVE-2018-14775
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-08-01T06:29:00
  • Last Modified Date
  • 2018-10-03T19:13:07
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:openbsd:openbsd:6.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:openbsd:openbsd:6.3:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 4.9
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.9
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://ftp.openbsd.org/pub/OpenBSD/patches/6.3/common/015_ioport.patch.sig Patch Vendor Advisory
https://ftp.openbsd.org/pub/OpenBSD/patches/6.2/common/020_ioport.patch.sig Patch Vendor Advisory
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/sys/arch/i386/i386/gdt.c Issue Tracking Patch Vendor Advisory
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/sys/arch/i386/i386/gdt.c.diff?r1=1.37&r2=1.37.8.1&f=h Patch Vendor Advisory
http://www.securitytracker.com/id/1041550 Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-14775
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14775
History
Created Old Value New Value Data Type Notes
2022-05-10 18:37:00 Added to TrackCVE
2022-12-03 10:46:29 2018-08-01T06:29Z 2018-08-01T06:29:00 CVE Published Date updated
2022-12-03 10:46:29 2018-10-03T19:13:07 CVE Modified Date updated
2022-12-03 10:46:29 Analyzed Vulnerability Status updated