CVE-2011-0997

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2011-04-05T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-09-18T12:57:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "47176", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/47176"}, {"name": "ADV-2011-0886", "tags": ["vdb-entry", "x_refsource_VUPEN"], "url": 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"http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058279.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://www.isc.org/software/dhcp/advisories/cve-2011-0997"}, {"name": "iscdhcp-dhclient-command-execution(66580)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66580"}, {"name": "ADV-2011-0879", "tags": ["vdb-entry", "x_refsource_VUPEN"], "url": "http://www.vupen.com/english/advisories/2011/0879"}, {"name": "VU#107886", "tags": ["third-party-advisory", "x_refsource_CERT-VN"], "url": "http://www.kb.cert.org/vuls/id/107886"}, {"name": "1025300", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://securitytracker.com/id?1025300"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761"}, {"name": "SSA:2011-097-01", "tags": ["vendor-advisory", "x_refsource_SLACKWARE"], "url": 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"http://www.debian.org/security/2011/dsa-2217"}, {"name": "USN-1108-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-1108-1"}, {"name": "DSA-2216", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2011/dsa-2216"}, {"name": "FEDORA-2011-4897", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057888.html"}, {"name": "RHSA-2011:0428", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "http://www.redhat.com/support/errata/RHSA-2011-0428.html"}, {"name": "44089", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/44089"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2011-0997", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": 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{}

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via shell metacharacters in a hostname obtained from a DHCP message, as demonstrated by a hostname that is provided to dhclient-script."}, {"lang": "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": "2026-06-16T23:28:25.937", "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"}, 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"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"}

{}