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"es", "value": "dhclient en ISC DHCP 3.0.x hasta la versi\u00f3n 4.2.x en versiones anteriores a 4.2.1-P1, 3.1-ESV en versiones anteriores a 3.1-ESV-R1 y 4.1-ESV en versiones anteriores a 4.1-ESV-R2 permite a atacantes remotos ejecutar comandos arbitrarios a trav\u00e9s de metacaracteres shell en un nombre de anfitri\u00f3n obtenido de un mensaje DHCP, como es demostrado por un nombre de anfitri\u00f3n dado por dhclient-script."}], "id": "CVE-2011-0997", "lastModified": "2026-04-29T01:13:23.040", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, 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{"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Permissions Required"], "url": "http://www.vupen.com/english/advisories/2011/1000"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=689832"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66580"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12812"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.exploit-db.com/exploits/37623/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.isc.org/software/dhcp/advisories/cve-2011-0997"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Sebastian Krahmer (SuSE Security Team) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2011:0840", "cpe": "cpe:/o:redhat:rhel_els:3", "package": "dhcp-7:3.0.1-10.3_EL3", "product_name": "Red Hat Enterprise Linux 3 Extended Lifecycle Support", "release_date": "2011-05-31T00:00:00Z"}, {"advisory": "RHSA-2011:0428", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "dhcp-7:3.0.1-67.el4", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2011-04-08T00:00:00Z"}, {"advisory": "RHSA-2011:0428", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "dhcp-12:3.0.5-23.el5_6.4", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-04-08T00:00:00Z"}, {"advisory": "RHSA-2011:0428", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "dhcp-12:4.1.1-12.P1.el6_0.4", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2011-04-08T00:00:00Z"}], "bugzilla": {"description": "dhclient: insufficient sanitization of certain DHCP response values", "id": "689832", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=689832"}, "csaw": false, "cvss": {"cvss_base_score": "7.9", "cvss_scoring_vector": "AV:A/AC:M/Au:N/C:C/I:C/A:C", "status": "verified"}, "cwe": "CWE-78", "details": ["dhclient in ISC DHCP 3.0.x through 4.2.x before 4.2.1-P1, 3.1-ESV before 3.1-ESV-R1, and 4.1-ESV before 4.1-ESV-R2 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message, as demonstrated by a hostname that is provided to dhclient-script."], "name": "CVE-2011-0997", "public_date": "2011-04-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-0997\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-0997"], "threat_severity": "Important"}

{}