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Ipsec-tools versiones anteriores a v0.7.2 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (consumo de memoria) a trav\u00e9s de vectores envueltos (1) en la verificaci\u00f3n de firma durante la autenticaci\u00f3n de usuarios con certificados X.509, relacionado con la funci\u00f3n eay_check_x509sign en src/racoon/crypto_openssl.c; y (2) la implementaci\u00f3n NAT-Traversal (aka NAT-T) keepalive, relacionado con src/racoon/nattraversal.c."}], "id": "CVE-2009-1632", "lastModified": "2026-04-23T00:35:47.467", "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": "2009-05-14T17:30:00.813", "references": [{"source": "cve@mitre.org", "url": "http://cvsweb.netbsd.org/bsdweb.cgi/src/crypto/dist/ipsec-tools/src/racoon/crypto_openssl.c"}, {"source": "cve@mitre.org", "url": "http://cvsweb.netbsd.org/bsdweb.cgi/src/crypto/dist/ipsec-tools/src/racoon/crypto_openssl.c.diff?r1=1.11.6.4&r2=1.11.6.5&f=h"}, {"source": "cve@mitre.org", "url": "http://cvsweb.netbsd.org/bsdweb.cgi/src/crypto/dist/ipsec-tools/src/racoon/nattraversal.c"}, {"source": "cve@mitre.org", "url": "http://cvsweb.netbsd.org/bsdweb.cgi/src/crypto/dist/ipsec-tools/src/racoon/nattraversal.c.diff?r1=1.6&r2=1.6.6.1&f=h"}, {"source": "cve@mitre.org", "url": "http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705"}, {"source": "cve@mitre.org", "url": "http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html"}, {"source": "cve@mitre.org", "url": 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{"affected_release": [{"advisory": "RHSA-2009:1036", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "ipsec-tools-0:0.6.5-13.el5_3.1", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2009-05-18T00:00:00Z"}], "bugzilla": {"description": "ipsec-tools: multiple memory leaks fixed in 0.7.2", "id": "500886", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=500886"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "status": "verified"}, "cwe": "CWE-401", "details": ["Multiple memory leaks in Ipsec-tools before 0.7.2 allow remote attackers to cause a denial of service (memory consumption) via vectors involving (1) signature verification during user authentication with X.509 certificates, related to the eay_check_x509sign function in src/racoon/crypto_openssl.c; and (2) the NAT-Traversal (aka NAT-T) keepalive implementation, related to src/racoon/nattraversal.c."], "name": "CVE-2009-1632", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Will not fix", "package_name": "ipsec-tools", "product_name": "Red Hat Enterprise Linux 4"}], "public_date": "2009-04-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-1632\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-1632"], "threat_severity": "Moderate"}

{}