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DHCP servers to execute arbitrary code via a crafted subnet-mask option."}, {"lang": "es", "value": "Desbordamiento de b\u00fafer basado en pila en el m\u00e9todo script_write_params en client/dhclient.c en ISC DHCP dhclient v4.1 anteriores a v4.1.0p1, v4.0 anteriores a v4.0.1p1, v3.1 anteriores a v3.1.2p1, v3.0, y v2.0 permite a servidores DHCP remotos ejecutar c\u00f3digo arbitrario a trav\u00e9s de una opci\u00f3n manipulada subnet-mask."}], "id": "CVE-2009-0692", "lastModified": "2026-04-23T00:35:47.467", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, 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"af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.redhat.com/support/errata/RHSA-2009-1136.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.redhat.com/support/errata/RHSA-2009-1154.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/35668"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id?1022548"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/usn-803-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.vupen.com/english/advisories/2009/1891"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.vupen.com/english/advisories/2010/1796"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=507717"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10758"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5941"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.isc.org/downloadables/12"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.isc.org/node/468"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01177.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00340.html"}], "sourceIdentifier": "cret@cert.org", "vendorComments": [{"comment": "This issue affected the dhcp packages as shipped with Red Hat Enterprise Linux 3 and 4. Updated packages to correct this issue are available via Red Hat Network:\n\nhttps://rhn.redhat.com/errata/CVE-2009-0692.html\n\nThis issue did not affect the dhcp packages as shipped with Red Hat Enterprise Linux 5 due to the use of FORTIFY_SOURCE protection mechanism that changes the exploitability of the issue into a controlled application termination.", "lastModified": "2009-07-16T00:00:00", "organization": "Red Hat"}], "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2009:1154", "cpe": "cpe:/o:redhat:enterprise_linux:3", "package": "dhcp-7:3.0.1-10.2_EL3", "product_name": "Red Hat Enterprise Linux 3", "release_date": "2009-07-14T00:00:00Z"}, {"advisory": "RHSA-2009:1136", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "dhcp-7:3.0.1-65.el4_8.1", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2009-07-14T00:00:00Z"}, {"advisory": "RHSA-2009:1136", "cpe": "cpe:/o:redhat:rhel_eus:4.7", "package": "dhcp-7:3.0.1-62.el4_7.1", "product_name": "Red Hat Enterprise Linux 4.7 Z Stream", "release_date": "2009-07-14T00:00:00Z"}], "bugzilla": {"description": "dhclient: stack overflow leads to arbitrary code execution as root", "id": "507717", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=507717"}, "csaw": false, "cvss": {"cvss_base_score": "8.3", "cvss_scoring_vector": "AV:A/AC:L/Au:N/C:C/I:C/A:C", "status": "verified"}, "cwe": "CWE-130->CWE-121", "details": ["Stack-based buffer overflow in the script_write_params method in client/dhclient.c in ISC DHCP dhclient 4.1 before 4.1.0p1, 4.0 before 4.0.1p1, 3.1 before 3.1.2p1, 3.0, and 2.0 allows remote DHCP servers to execute arbitrary code via a crafted subnet-mask option."], "name": "CVE-2009-0692", "public_date": "2009-07-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-0692\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-0692"], "statement": "This issue affected the dhcp packages as shipped with Red Hat Enterprise Linux 3 and 4.\nThis issue did not affect the dhcp packages as shipped with Red Hat Enterprise Linux 5 due to the use of FORTIFY_SOURCE protection mechanism that changes the exploitability of the issue into a controlled application termination.", "threat_severity": "Critical"}

{}