CVE-2002-1420 - Vulnerability Details - OpenCVE

Description

Integer signedness error in select() on OpenBSD 3.1 and earlier allows local users to overwrite arbitrary kernel memory via a negative value for the size parameter, which satisfies the boundary check as a signed integer, but is later used as an unsigned integer during a data copying operation.

Published: 2004-09-01

Score: 7.2 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

OR	cpe:2.3:o:openbsd:openbsd:3.0:::::::*
	cpe:2.3:o:openbsd:openbsd:3.1:::::::*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2002-1403	Integer signedness error in select() on OpenBSD 3.1 and earlier allows local users to overwrite arbitrary kernel memory via a negative value for the size parameter, which satisfies the boundary check as a signed integer, but is later used as an unsigned integer during a data copying operation.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00512.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://marc.info/?l=bugtraq&m=102918817012863&w=2
http://www.iss.net/security_center/static/9809.php
http://www.kb.cert.org/vuls/id/259787
http://www.osvdb.org/7554
http://www.securityfocus.com/bid/5442

History

No history.

Subscriptions

Openbsd Openbsd

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2004-09-01T04:00:00.000Z

Updated: 2024-08-08T03:26:27.500Z

Reserved: 2003-02-05T00:00:00.000Z

Link: CVE-2002-1420

Vulnrichment

No data.

NVD

Status : Modified

Published: 2003-04-11T04:00:00.000

Modified: 2026-04-16T00:27:16.627

Link: CVE-2002-1420

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

NVD-CWE-Other

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2002-08-11T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Integer signedness error in select() on OpenBSD 3.1 and earlier allows local users to overwrite arbitrary kernel memory via a negative value for the size parameter, which satisfies the boundary check as a signed integer, but is later used as an unsigned integer during a data copying operation."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2004-08-18T00:00:00.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "5442", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/5442"}, {"name": "openbsd-select-bo(9809)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "http://www.iss.net/security_center/static/9809.php"}, {"name": "VU#259787", "tags": ["third-party-advisory", "x_refsource_CERT-VN"], "url": "http://www.kb.cert.org/vuls/id/259787"}, {"name": "7554", "tags": ["vdb-entry", "x_refsource_OSVDB"], "url": "http://www.osvdb.org/7554"}, {"name": "20020812 OpenBSD Security Advisory: Select Boundary Condition (fwd)", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://marc.info/?l=bugtraq&m=102918817012863&w=2"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2002-1420", "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": "Integer signedness error in select() on OpenBSD 3.1 and earlier allows local users to overwrite arbitrary kernel memory via a negative value for the size parameter, which satisfies the boundary check as a signed integer, but is later used as an unsigned integer during a data copying operation."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "5442", "refsource": "BID", "url": "http://www.securityfocus.com/bid/5442"}, {"name": "openbsd-select-bo(9809)", "refsource": "XF", "url": "http://www.iss.net/security_center/static/9809.php"}, {"name": "VU#259787", "refsource": "CERT-VN", "url": "http://www.kb.cert.org/vuls/id/259787"}, {"name": "7554", "refsource": "OSVDB", "url": "http://www.osvdb.org/7554"}, {"name": "20020812 OpenBSD Security Advisory: Select Boundary Condition (fwd)", "refsource": "BUGTRAQ", "url": "http://marc.info/?l=bugtraq&m=102918817012863&w=2"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-08T03:26:27.500Z"}, "title": "CVE Program Container", "references": [{"name": "5442", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/5442"}, {"name": "openbsd-select-bo(9809)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "http://www.iss.net/security_center/static/9809.php"}, {"name": "VU#259787", "tags": ["third-party-advisory", "x_refsource_CERT-VN", "x_transferred"], "url": "http://www.kb.cert.org/vuls/id/259787"}, {"name": "7554", "tags": ["vdb-entry", "x_refsource_OSVDB", "x_transferred"], "url": "http://www.osvdb.org/7554"}, {"name": "20020812 OpenBSD Security Advisory: Select Boundary Condition (fwd)", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://marc.info/?l=bugtraq&m=102918817012863&w=2"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2002-1420", "datePublished": "2004-09-01T04:00:00.000Z", "dateReserved": "2003-02-05T00:00:00.000Z", "dateUpdated": "2024-08-08T03:26:27.500Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:openbsd:openbsd:3.0:*:*:*:*:*:*:*", "matchCriteriaId": "60DA30A1-3360-46BC-85B7-008D535F95BE", "vulnerable": true}, {"criteria": "cpe:2.3:o:openbsd:openbsd:3.1:*:*:*:*:*:*:*", "matchCriteriaId": "DA33E7E2-DE7B-411E-8991-718DA0988C51", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Integer signedness error in select() on OpenBSD 3.1 and earlier allows local users to overwrite arbitrary kernel memory via a negative value for the size parameter, which satisfies the boundary check as a signed integer, but is later used as an unsigned integer during a data copying operation."}, {"lang": "es", "value": "Error de falta de signo en entero en select() de OpenBSD 3.1 y anteriores permite a usuarios locales sobreescribir memoria del kernel arbitraria mediante un valor negativo en el par\u00e1metro de tama\u00f1o, que satisface la comprobaci\u00f3n de l\u00edmites de entero con signo, pero que es usado luego como un entero sin signo durante una operaci\u00f3n de copia de datos."}], "id": "CVE-2002-1420", "lastModified": "2026-04-16T00:27:16.627", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": true, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2003-04-11T04:00:00.000", "references": [{"source": "cve@mitre.org", "url": "http://marc.info/?l=bugtraq&m=102918817012863&w=2"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.iss.net/security_center/static/9809.php"}, {"source": "cve@mitre.org", "tags": ["US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/259787"}, {"source": "cve@mitre.org", "url": "http://www.osvdb.org/7554"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.securityfocus.com/bid/5442"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://marc.info/?l=bugtraq&m=102918817012863&w=2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.iss.net/security_center/static/9809.php"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/259787"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.osvdb.org/7554"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.securityfocus.com/bid/5442"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}