CVE-2002-0381 - Vulnerability Details - OpenCVE

The TCP implementation in various BSD operating systems (tcp_input.c) does not properly block connections to broadcast addresses, which could allow remote attackers to bypass intended filters via packets with a unicast link layer address and an IP broadcast address.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

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 0.00784.

Key SSVC decision points have not yet been added.

Vendors	Products
Freebsd Subscribe	Freebsd Subscribe
Netbsd Subscribe	Netbsd Subscribe
Openbsd Subscribe	Openbsd Subscribe

Configuration 1 [-]

OR	cpe:2.3:o:freebsd:freebsd::::::::
	cpe:2.3:o:netbsd:netbsd:2.0.4:::::::*
	cpe:2.3:o:openbsd:openbsd::::::::

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2002-0378	The TCP implementation in various BSD operating systems (tcp_input.c) does not properly block connections to broadcast addresses, which could allow remote attackers to bypass intended filters via packets with a unicast link layer address and an IP broadcast address.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
ftp://patches.sgi.com/support/free/security/advisories/20030604-01-I
http://cvsweb.netbsd.org/bsdweb.cgi/syssrc/sys/netinet/tcp_input.c.diff?r1=1.136&r2=1.137
http://online.securityfocus.com/archive/1/262733
http://www.FreeBSD.org/cgi/query-pr.cgi?pr=35022
http://www.iss.net/security_center/static/8485.php
http://www.openbsd.org/cgi-bin/cvsweb/src/sys/netinet/tcp_input.c.diff?r1=1.109&r2=1.110
http://www.osvdb.org/5308
http://www.securityfocus.com/bid/4309

History

No history.

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2003-04-02T05:00:00

Updated: 2024-08-08T02:49:28.297Z

Reserved: 2002-05-17T00:00:00

Link: CVE-2002-0381

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2002-06-25T04:00:00.000

Modified: 2025-04-03T01:03:51.193

Link: CVE-2002-0381

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": "2002-03-18T00:00:00", "descriptions": [{"lang": "en", "value": "The TCP implementation in various BSD operating systems (tcp_input.c) does not properly block connections to broadcast addresses, which could allow remote attackers to bypass intended filters via packets with a unicast link layer address and an IP broadcast address."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2002-06-11T09:00:00", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "20030604-01-I", "tags": ["vendor-advisory", "x_refsource_SGI"], "url": "ftp://patches.sgi.com/support/free/security/advisories/20030604-01-I"}, {"name": "20020317 TCP Connections to a Broadcast Address on BSD-Based Systems", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://online.securityfocus.com/archive/1/262733"}, {"name": "4309", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/4309"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://cvsweb.netbsd.org/bsdweb.cgi/syssrc/sys/netinet/tcp_input.c.diff?r1=1.136&r2=1.137"}, {"name": "bsd-broadcast-address(8485)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "http://www.iss.net/security_center/static/8485.php"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.openbsd.org/cgi-bin/cvsweb/src/sys/netinet/tcp_input.c.diff?r1=1.109&r2=1.110"}, {"tags": ["x_refsource_MISC"], "url": "http://www.FreeBSD.org/cgi/query-pr.cgi?pr=35022"}, {"name": "5308", "tags": ["vdb-entry", "x_refsource_OSVDB"], "url": "http://www.osvdb.org/5308"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2002-0381", "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": "The TCP implementation in various BSD operating systems (tcp_input.c) does not properly block connections to broadcast addresses, which could allow remote attackers to bypass intended filters via packets with a unicast link layer address and an IP broadcast address."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "20030604-01-I", "refsource": "SGI", "url": "ftp://patches.sgi.com/support/free/security/advisories/20030604-01-I"}, {"name": "20020317 TCP Connections to a Broadcast Address on BSD-Based Systems", "refsource": "BUGTRAQ", "url": "http://online.securityfocus.com/archive/1/262733"}, {"name": "4309", "refsource": "BID", "url": "http://www.securityfocus.com/bid/4309"}, {"name": "http://cvsweb.netbsd.org/bsdweb.cgi/syssrc/sys/netinet/tcp_input.c.diff?r1=1.136&r2=1.137", "refsource": "CONFIRM", "url": "http://cvsweb.netbsd.org/bsdweb.cgi/syssrc/sys/netinet/tcp_input.c.diff?r1=1.136&r2=1.137"}, {"name": "bsd-broadcast-address(8485)", "refsource": "XF", "url": "http://www.iss.net/security_center/static/8485.php"}, {"name": "http://www.openbsd.org/cgi-bin/cvsweb/src/sys/netinet/tcp_input.c.diff?r1=1.109&r2=1.110", "refsource": "CONFIRM", "url": "http://www.openbsd.org/cgi-bin/cvsweb/src/sys/netinet/tcp_input.c.diff?r1=1.109&r2=1.110"}, {"name": "http://www.FreeBSD.org/cgi/query-pr.cgi?pr=35022", "refsource": "MISC", "url": "http://www.FreeBSD.org/cgi/query-pr.cgi?pr=35022"}, {"name": "5308", "refsource": "OSVDB", "url": "http://www.osvdb.org/5308"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-08T02:49:28.297Z"}, "title": "CVE Program Container", "references": [{"name": "20030604-01-I", "tags": ["vendor-advisory", "x_refsource_SGI", "x_transferred"], "url": "ftp://patches.sgi.com/support/free/security/advisories/20030604-01-I"}, {"name": "20020317 TCP Connections to a Broadcast Address on BSD-Based Systems", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://online.securityfocus.com/archive/1/262733"}, {"name": "4309", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/4309"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://cvsweb.netbsd.org/bsdweb.cgi/syssrc/sys/netinet/tcp_input.c.diff?r1=1.136&r2=1.137"}, {"name": "bsd-broadcast-address(8485)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "http://www.iss.net/security_center/static/8485.php"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.openbsd.org/cgi-bin/cvsweb/src/sys/netinet/tcp_input.c.diff?r1=1.109&r2=1.110"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://www.FreeBSD.org/cgi/query-pr.cgi?pr=35022"}, {"name": "5308", "tags": ["vdb-entry", "x_refsource_OSVDB", "x_transferred"], "url": "http://www.osvdb.org/5308"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2002-0381", "datePublished": "2003-04-02T05:00:00", "dateReserved": "2002-05-17T00:00:00", "dateUpdated": "2024-08-08T02:49:28.297Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*", "matchCriteriaId": "2BCDB223-15E8-4E63-BB82-446AFBDE52F9", "versionEndIncluding": "4.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:netbsd:netbsd:2.0.4:*:*:*:*:*:*:*", "matchCriteriaId": "36419DD6-0DB4-4BB6-A35F-D8FDB89402F1", "vulnerable": true}, {"criteria": "cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:*", "matchCriteriaId": "CA3CDD3C-DBA6-4BA2-967D-AD746822F3CF", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The TCP implementation in various BSD operating systems (tcp_input.c) does not properly block connections to broadcast addresses, which could allow remote attackers to bypass intended filters via packets with a unicast link layer address and an IP broadcast address."}], "id": "CVE-2002-0381", "lastModified": "2025-04-03T01:03:51.193", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2002-06-25T04:00:00.000", "references": [{"source": "cve@mitre.org", "url": "ftp://patches.sgi.com/support/free/security/advisories/20030604-01-I"}, {"source": "cve@mitre.org", "url": "http://cvsweb.netbsd.org/bsdweb.cgi/syssrc/sys/netinet/tcp_input.c.diff?r1=1.136&r2=1.137"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Patch", "Vendor Advisory"], "url": "http://online.securityfocus.com/archive/1/262733"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.FreeBSD.org/cgi/query-pr.cgi?pr=35022"}, {"source": "cve@mitre.org", "url": "http://www.iss.net/security_center/static/8485.php"}, {"source": "cve@mitre.org", "url": "http://www.openbsd.org/cgi-bin/cvsweb/src/sys/netinet/tcp_input.c.diff?r1=1.109&r2=1.110"}, {"source": "cve@mitre.org", "url": "http://www.osvdb.org/5308"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/4309"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "ftp://patches.sgi.com/support/free/security/advisories/20030604-01-I"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://cvsweb.netbsd.org/bsdweb.cgi/syssrc/sys/netinet/tcp_input.c.diff?r1=1.136&r2=1.137"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Vendor Advisory"], "url": "http://online.securityfocus.com/archive/1/262733"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.FreeBSD.org/cgi/query-pr.cgi?pr=35022"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.iss.net/security_center/static/8485.php"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openbsd.org/cgi-bin/cvsweb/src/sys/netinet/tcp_input.c.diff?r1=1.109&r2=1.110"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.osvdb.org/5308"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/4309"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}