CVE-2018-14775 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

No CVSS v3.1

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00046.

Key SSVC decision points have not yet been added.

Vendors	Products
Openbsd Subscribe	Openbsd Subscribe

Configuration 1 [-]

OR	cpe:2.3:o:openbsd:openbsd:6.2:::::::*
	cpe:2.3:o:openbsd:openbsd:6.3:::::::*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2018-6659	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.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/sys/arch/i386/i386/gdt.c
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
http://www.securitytracker.com/id/1041550
https://ftp.openbsd.org/pub/OpenBSD/patches/6.2/common/020_ioport.patch.sig
https://ftp.openbsd.org/pub/OpenBSD/patches/6.3/common/015_ioport.patch.sig

History

No history.

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2018-08-01T06:00:00

Updated: 2024-08-05T09:38:13.968Z

Reserved: 2018-08-01T00:00:00

Link: CVE-2018-14775

Vulnrichment

No data.

NVD

Status : Modified

Published: 2018-08-01T06:29:00.633

Modified: 2024-11-21T03:49:45.897

Link: CVE-2018-14775

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-20

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2018-08-01T00:00:00", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-08-30T09:57:01", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "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"}, {"tags": ["x_refsource_MISC"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.3/common/015_ioport.patch.sig"}, {"tags": ["x_refsource_MISC"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.2/common/020_ioport.patch.sig"}, {"name": "1041550", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id/1041550"}, {"tags": ["x_refsource_MISC"], "url": "http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/sys/arch/i386/i386/gdt.c"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2018-14775", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "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", "refsource": "MISC", "url": "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"}, {"name": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.3/common/015_ioport.patch.sig", "refsource": "MISC", "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.3/common/015_ioport.patch.sig"}, {"name": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.2/common/020_ioport.patch.sig", "refsource": "MISC", "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.2/common/020_ioport.patch.sig"}, {"name": "1041550", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1041550"}, {"name": "http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/sys/arch/i386/i386/gdt.c", "refsource": "MISC", "url": "http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/sys/arch/i386/i386/gdt.c"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T09:38:13.968Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "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"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.3/common/015_ioport.patch.sig"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.2/common/020_ioport.patch.sig"}, {"name": "1041550", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id/1041550"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/sys/arch/i386/i386/gdt.c"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2018-14775", "datePublished": "2018-08-01T06:00:00", "dateReserved": "2018-08-01T00:00:00", "dateUpdated": "2024-08-05T09:38:13.968Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:openbsd:openbsd:6.2:*:*:*:*:*:*:*", "matchCriteriaId": "05106657-059F-4845-BA6C-2B610515ABC6", "vulnerable": true}, {"criteria": "cpe:2.3:o:openbsd:openbsd:6.3:*:*:*:*:*:*:*", "matchCriteriaId": "3326FE9E-7B44-4F41-BF89-3115E36D1FF6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "tss_alloc en sys/arch/i386/i386/gdt.c en OpenBSD 6.2 y 6.3 tiene una denegaci\u00f3n de servicio (DoS) local (cierre inesperado del sistema) debido a un acceso incorrecto al puerto I/O en la arquitectura i386."}], "id": "CVE-2018-14775", "lastModified": "2024-11-21T03:49:45.897", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.9, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-08-01T06:29:00.633", "references": [{"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "url": "http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/sys/arch/i386/i386/gdt.c"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "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"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1041550"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.2/common/020_ioport.patch.sig"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.3/common/015_ioport.patch.sig"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "url": "http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/sys/arch/i386/i386/gdt.c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "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"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1041550"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.2/common/020_ioport.patch.sig"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.3/common/015_ioport.patch.sig"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}