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"descriptions": [{"lang": "en", "value": "Stack-based buffer overflow in the crypto_recv function in ntp_crypto.c in ntpd in NTP before 4.2.4p7 and 4.2.5 before 4.2.5p74, when OpenSSL and autokey are enabled, allows remote attackers to execute arbitrary code via a crafted packet containing an extension field."}, {"lang": "es", "value": "Desbordamiento de b\u00fafer basado en pila en la funci\u00f3n crypto_recv en ntp_crypto.c en ntpd en NTP anteriores a v4.2.4p7 y v4.2.5 anterior a v4.2.5p74, cuando OpenSSL y autokey est\u00e1n activados, permite a atacantes remotos ejecutar c\u00f3digo de forma arbitraria a trav\u00e9s de paquetes manipulados que contienen un campo de extension."}], "id": "CVE-2009-1252", "lastModified": "2025-04-09T00:30:58.490", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2009-05-19T19:30:00.670", "references": [{"source": "cve@mitre.org", "url": "ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-006.txt.asc"}, {"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00003.html"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://rhn.redhat.com/errata/RHSA-2009-1039.html"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://rhn.redhat.com/errata/RHSA-2009-1040.html"}, {"source": "cve@mitre.org", "url": "http://secunia.com/advisories/35137"}, {"source": "cve@mitre.org", "url": "http://secunia.com/advisories/35138"}, 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{"affected_release": [{"advisory": "RHSA-2009:1040", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "ntp-0:4.2.0.a.20040617-8.el4_7.2", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2009-05-18T00:00:00Z"}, {"advisory": "RHSA-2009:1040", "cpe": "cpe:/o:redhat:rhel_eus:4.7", "package": "ntp-0:4.2.0.a.20040617-8.el4_7.2", "product_name": "Red Hat Enterprise Linux 4.7 Z Stream", "release_date": "2009-05-18T00:00:00Z"}, {"advisory": "RHSA-2009:1039", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "ntp-0:4.2.2p1-9.el5_3.2", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2009-05-18T00:00:00Z"}], "bugzilla": {"description": "ntp: remote arbitrary code execution vulnerability if autokeys is enabled", "id": "499694", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=499694"}, "csaw": false, "cvss": {"cvss_base_score": "6.8", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "status": "verified"}, "cwe": "CWE-121", "details": ["Stack-based buffer overflow in the crypto_recv function in ntp_crypto.c in ntpd in NTP before 4.2.4p7 and 4.2.5 before 4.2.5p74, when OpenSSL and autokey are enabled, allows remote attackers to execute arbitrary code via a crafted packet containing an extension field."], "name": "CVE-2009-1252", "public_date": "2009-05-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-1252\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-1252"], "threat_severity": "Important"}