CVE-2005-4783 - Vulnerability Details - OpenCVE

Description

kernfs_xread in kernfs_vnops.c in NetBSD before 20050831 does not check for a negative offset when reading the message buffer, which allows local users to read arbitrary kernel memory.

Published: 2006-04-14

Score: 2.1 Low

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

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:netbsd:netbsd:1.6:::::::*
	cpe:2.3:o:netbsd:netbsd:2.0:::::::*
	cpe:2.3:o:netbsd:netbsd:2.0.3:::::::*
	cpe:2.3:o:netbsd:netbsd:2.1:::::::*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2005-4776	kernfs_xread in kernfs_vnops.c in NetBSD before 20050831 does not check for a negative offset when reading the message buffer, which allows local users to read arbitrary kernel memory.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00079.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c
http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c.diff?r1=1.110&r2=1.111&f=h
http://mail-index.netbsd.org/netbsd-announce/2005/10/31/0000.html
http://releng.netbsd.org/cgi-bin/req-3.cgi?show=727
http://securitytracker.com/id?1015132
http://www.osvdb.org/20729
http://www.packetstormsecurity.org/0601-advisories/NetBSD-SA2006-001.txt

History

No history.

Subscriptions

Netbsd Netbsd

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2006-04-14T10:00:00.000Z

Updated: 2024-09-17T03:03:18.044Z

Reserved: 2006-04-13T00:00:00.000Z

Link: CVE-2005-4783

Vulnrichment

No data.

NVD

Status : Modified

Published: 2005-12-31T05:00:00.000

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

Link: CVE-2005-4783

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"}]}], "descriptions": [{"lang": "en", "value": "kernfs_xread in kernfs_vnops.c in NetBSD before 20050831 does not check for a negative offset when reading the message buffer, which allows local users to read arbitrary kernel memory."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2006-04-14T10:00:00.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "1015132", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://securitytracker.com/id?1015132"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c.diff?r1=1.110&r2=1.111&f=h"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://releng.netbsd.org/cgi-bin/req-3.cgi?show=727"}, {"name": "20729", "tags": ["vdb-entry", "x_refsource_OSVDB"], "url": "http://www.osvdb.org/20729"}, {"name": "NetBSD-SA2006-001", "tags": ["vendor-advisory", "x_refsource_NETBSD"], "url": "http://www.packetstormsecurity.org/0601-advisories/NetBSD-SA2006-001.txt"}, {"name": "[netbsd-announce] 20051031 Announcing update 2.0.3 - source only", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://mail-index.netbsd.org/netbsd-announce/2005/10/31/0000.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2005-4783", "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": "kernfs_xread in kernfs_vnops.c in NetBSD before 20050831 does not check for a negative offset when reading the message buffer, which allows local users to read arbitrary kernel memory."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "1015132", "refsource": "SECTRACK", "url": "http://securitytracker.com/id?1015132"}, {"name": "http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c.diff?r1=1.110&r2=1.111&f=h", "refsource": "CONFIRM", "url": "http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c.diff?r1=1.110&r2=1.111&f=h"}, {"name": "http://releng.netbsd.org/cgi-bin/req-3.cgi?show=727", "refsource": "CONFIRM", "url": "http://releng.netbsd.org/cgi-bin/req-3.cgi?show=727"}, {"name": "20729", "refsource": "OSVDB", "url": "http://www.osvdb.org/20729"}, {"name": "NetBSD-SA2006-001", "refsource": "NETBSD", "url": "http://www.packetstormsecurity.org/0601-advisories/NetBSD-SA2006-001.txt"}, {"name": "[netbsd-announce] 20051031 Announcing update 2.0.3 - source only", "refsource": "MLIST", "url": "http://mail-index.netbsd.org/netbsd-announce/2005/10/31/0000.html"}, {"name": "http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c", "refsource": "CONFIRM", "url": "http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-08T00:01:22.497Z"}, "title": "CVE Program Container", "references": [{"name": "1015132", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://securitytracker.com/id?1015132"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c.diff?r1=1.110&r2=1.111&f=h"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://releng.netbsd.org/cgi-bin/req-3.cgi?show=727"}, {"name": "20729", "tags": ["vdb-entry", "x_refsource_OSVDB", "x_transferred"], "url": "http://www.osvdb.org/20729"}, {"name": "NetBSD-SA2006-001", "tags": ["vendor-advisory", "x_refsource_NETBSD", "x_transferred"], "url": "http://www.packetstormsecurity.org/0601-advisories/NetBSD-SA2006-001.txt"}, {"name": "[netbsd-announce] 20051031 Announcing update 2.0.3 - source only", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://mail-index.netbsd.org/netbsd-announce/2005/10/31/0000.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2005-4783", "datePublished": "2006-04-14T10:00:00.000Z", "dateReserved": "2006-04-13T00:00:00.000Z", "dateUpdated": "2024-09-17T03:03:18.044Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netbsd:netbsd:1.6:*:*:*:*:*:*:*", "matchCriteriaId": "28A10F5A-067E-4DD8-B585-ABCD6F6B324E", "vulnerable": true}, {"criteria": "cpe:2.3:o:netbsd:netbsd:2.0:*:*:*:*:*:*:*", "matchCriteriaId": "A3C3F588-98DA-4F6F-A083-2B9EE534C561", "vulnerable": true}, {"criteria": "cpe:2.3:o:netbsd:netbsd:2.0.3:*:*:*:*:*:*:*", "matchCriteriaId": "6CFC6B75-9057-4E58-A4D4-8AEC12AE62E4", "vulnerable": true}, {"criteria": "cpe:2.3:o:netbsd:netbsd:2.1:*:*:*:*:*:*:*", "matchCriteriaId": "28BD9F91-2384-4557-9648-25FC00D04677", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "kernfs_xread in kernfs_vnops.c in NetBSD before 20050831 does not check for a negative offset when reading the message buffer, which allows local users to read arbitrary kernel memory."}], "id": "CVE-2005-4783", "lastModified": "2026-04-16T00:27:16.627", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2005-12-31T05:00:00.000", "references": [{"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c.diff?r1=1.110&r2=1.111&f=h"}, {"source": "cve@mitre.org", "url": "http://mail-index.netbsd.org/netbsd-announce/2005/10/31/0000.html"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://releng.netbsd.org/cgi-bin/req-3.cgi?show=727"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://securitytracker.com/id?1015132"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://www.osvdb.org/20729"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://www.packetstormsecurity.org/0601-advisories/NetBSD-SA2006-001.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c.diff?r1=1.110&r2=1.111&f=h"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://mail-index.netbsd.org/netbsd-announce/2005/10/31/0000.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://releng.netbsd.org/cgi-bin/req-3.cgi?show=727"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://securitytracker.com/id?1015132"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.osvdb.org/20729"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.packetstormsecurity.org/0601-advisories/NetBSD-SA2006-001.txt"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}