CVE-2006-4436

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{"ASSIGNER": "cve@mitre.org", "ID": "CVE-2006-4436", "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": "isakmpd in OpenBSD 3.8, 3.9, and possibly earlier versions, creates Security Associations (SA) with a replay window of size 0 when isakmpd acts as a responder during SA negotiation, which allows remote attackers to replay IPSec packets and bypass the replay protection."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "[3.8] 20060825 013: SECURITY FIX: August 25, 2006", "refsource": "OPENBSD", "url": "http://www.openbsd.org/errata38.html#isakmpd"}, {"name": "28194", "refsource": "OSVDB", "url": 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SECURITY FIX: August 25, 2006", "tags": ["vendor-advisory", "x_refsource_OPENBSD", "x_transferred"], "url": "http://www.openbsd.org/errata38.html#isakmpd"}, {"name": "28194", "tags": ["vdb-entry", "x_refsource_OSVDB", "x_transferred"], "url": "http://www.osvdb.org/28194"}, {"name": "openbsd-isakmpd-security-bypass(28645)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/28645"}, {"name": "1016757", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://securitytracker.com/id?1016757"}, {"name": "21652", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/21652"}, {"name": "DSA-1175", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "http://www.debian.org/security/2006/dsa-1175"}, {"name": "19712", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/19712"}, {"name": "21905", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/21905"}, {"name": "[3.9] 20060825 008: SECURITY FIX: August 25, 2006", "tags": ["vendor-advisory", "x_refsource_OPENBSD", "x_transferred"], "url": "http://www.openbsd.org/errata.html#isakmpd"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2006-4436", "datePublished": "2006-08-29T00:00:00.000Z", "dateReserved": "2006-08-28T00:00:00.000Z", "dateUpdated": "2024-08-07T19:06:07.753Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:openbsd:openbsd:3.8:*:*:*:*:*:*:*", "matchCriteriaId": "783973F9-2A6E-4DDF-A64C-7794FFD0B7B9", "vulnerable": true}, {"criteria": "cpe:2.3:o:openbsd:openbsd:3.9:*:*:*:*:*:*:*", "matchCriteriaId": "F5BB6C5D-4C43-4BB8-B1CE-A70BBE650CA1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "isakmpd in OpenBSD 3.8, 3.9, and possibly earlier versions, creates Security Associations (SA) with a replay window of size 0 when isakmpd acts as a responder during SA negotiation, which allows remote attackers to replay IPSec packets and bypass the replay protection."}, {"lang": "es", "value": "isakmpd en OpenBSD 3.8, 3.9, y posiblemente versiones anetriores, crea Asociaciones de Seguridad (Security Associations o SA) con una ventana de respuesta de tama\u00f1o\u00f1 0 cuando isakmpd act\u00faa como respondedor durante una negociaci\u00f3n SA, lo que permite a atacantes remotos repetir paquetes IPSec y evitar la protecci\u00f3n contra repetici\u00f3n."}], "id": "CVE-2006-4436", "lastModified": "2026-06-16T22:29:05.847", "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": "2006-08-29T00:04:00.000", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "http://secunia.com/advisories/21652"}, {"source": "cve@mitre.org", "url": "http://secunia.com/advisories/21905"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://securitytracker.com/id?1016757"}, {"source": "cve@mitre.org", "url": "http://www.debian.org/security/2006/dsa-1175"}, {"source": "cve@mitre.org", "url": "http://www.openbsd.org/errata.html#isakmpd"}, {"source": "cve@mitre.org", "url": "http://www.openbsd.org/errata38.html#isakmpd"}, {"source": "cve@mitre.org", "url": "http://www.osvdb.org/28194"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://www.securityfocus.com/bid/19712"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/28645"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://secunia.com/advisories/21652"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/21905"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://securitytracker.com/id?1016757"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2006/dsa-1175"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openbsd.org/errata.html#isakmpd"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openbsd.org/errata38.html#isakmpd"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.osvdb.org/28194"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.securityfocus.com/bid/19712"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/28645"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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