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"vulnerable": true}, {"criteria": "cpe:2.3:a:xelerance:openswan:2.6.20:*:*:*:*:*:*:*", "matchCriteriaId": "AA892169-0079-48D9-AEF5-641748CE1BF2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The pluto IKE daemon in Openswan and Strongswan IPsec 2.6 before 2.6.21 and 2.4 before 2.4.14, and Strongswan 4.2 before 4.2.14 and 2.8 before 2.8.9, allows remote attackers to cause a denial of service (daemon crash and restart) via a crafted (1) R_U_THERE or (2) R_U_THERE_ACK Dead Peer Detection (DPD) IPsec IKE Notification message that triggers a NULL pointer dereference related to inconsistent ISAKMP state and the lack of a phase2 state association in DPD."}, {"lang": "es", "value": "El demonio IKE pluto de Openswan y Strongswan IPsec v2.6 anterior a v2.6.21 y v2.4 anterior a v2.4.14, y Strongswan v4.2 anterior a v4.2.14 y v2.8 anteior a v2.8.9; permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda del demonio y reinicio) a trav\u00e9s de (1) R_U_THERE o (2) R_U_THERE_ACK Detecci\u00f3n de pares muertos (Dead Peer Detection -DPD) mensaje de Notificaci\u00f3n IKE IPsec que provoca una referencia a puntero nulo relacionado con el estado inconsistente ISAKMP y la falta de un estado de asociacion phase2 en DPD."}], "id": "CVE-2009-0790", "lastModified": "2025-04-09T00:30:58.490", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2009-04-01T10:30:00.267", "references": [{"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://download.strongswan.org/CHANGES4.txt"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00010.html"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/34472"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/34483"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/34494"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/34546"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://www.debian.org/security/2009/dsa-1759"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://www.debian.org/security/2009/dsa-1760"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://www.openswan.org/CVE-2009-0790/CVE-2009-0790.txt"}, {"source": "secalert@redhat.com", "url": "http://www.redhat.com/support/errata/RHSA-2009-0402.html"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/archive/1/502270/100/0/threaded"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://www.securityfocus.com/bid/34296"}, {"source": "secalert@redhat.com", "url": "http://www.securitytracker.com/id?1021949"}, {"source": "secalert@redhat.com", "url": "http://www.securitytracker.com/id?1021950"}, {"source": "secalert@redhat.com", "url": "http://www.vupen.com/english/advisories/2009/0886"}, {"source": "secalert@redhat.com", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/49523"}, {"source": "secalert@redhat.com", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11171"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://download.strongswan.org/CHANGES4.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00010.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/34472"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/34483"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/34494"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/34546"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.debian.org/security/2009/dsa-1759"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.debian.org/security/2009/dsa-1760"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.openswan.org/CVE-2009-0790/CVE-2009-0790.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.redhat.com/support/errata/RHSA-2009-0402.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/502270/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.securityfocus.com/bid/34296"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id?1021949"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id?1021950"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.vupen.com/english/advisories/2009/0886"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/49523"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11171"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2009:0402", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "openswan-0:2.6.14-1.el5_3.2", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2009-03-30T00:00:00Z"}], "bugzilla": {"description": "openswan: ISAKMP DPD remote DoS", "id": "491895", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=491895"}, "csaw": false, "cvss": {"cvss_base_score": "5.0", "cvss_scoring_vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "status": "verified"}, "details": ["The pluto IKE daemon in Openswan and Strongswan IPsec 2.6 before 2.6.21 and 2.4 before 2.4.14, and Strongswan 4.2 before 4.2.14 and 2.8 before 2.8.9, allows remote attackers to cause a denial of service (daemon crash and restart) via a crafted (1) R_U_THERE or (2) R_U_THERE_ACK Dead Peer Detection (DPD) IPsec IKE Notification message that triggers a NULL pointer dereference related to inconsistent ISAKMP state and the lack of a phase2 state association in DPD."], "name": "CVE-2009-0790", "public_date": "2009-03-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-0790\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-0790"], "threat_severity": "Important"}