CVE-2011-0996

View on CVE.org

Published Apr 13, 2011 CVSS 2.0 · 6.8 Medium EPSS 3.7% KEV · Not listed

Description

dhcpcd before 5.2.12 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message.

Analysis

No analysis available yet

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:roy_marples:dhcpcd:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2011-1007	dhcpcd before 5.2.12 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message.

Metrics

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 3.7% (3.748% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://roy.marples.name/archives/dhcpcd-discuss/2011/0326.html
http://roy.marples.name/projects/dhcpcd/changeset/c317b39786ac6c3a939dc711db7c78cf099859fd
http://roy.marples.name/projects/dhcpcd/timeline
http://secunia.com/advisories/44070
http://security.gentoo.org/glsa/glsa-201301-04.xml
http://www.securityfocus.com/bid/47272
https://bugzilla.novell.com/show_bug.cgi?id=675052
https://exchange.xforce.ibmcloud.com/vulnerabilities/66641

History

No history.

Subscriptions

Roy Marples Dhcpcd

Weaknesses

CWE-20
Improper Input Validation

Sources

CVE record Updated: Aug 6, 2024, 10:14 PM

Status: PUBLISHED
Assigner: mitre
Published: Apr 13, 2011, 2:00 PM
Updated: Aug 6, 2024, 10:14 PM
Reserved: Feb 14, 2011, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 16, 2026, 11:28 PM

Status: Modified
Published: Apr 13, 2011, 2:55 PM
Modified: Jun 16, 2026, 11:28 PM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2011-04-06T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "dhcpcd before 5.2.12 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-08-16T14:57:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "http://roy.marples.name/projects/dhcpcd/timeline"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.novell.com/show_bug.cgi?id=675052"}, {"name": "dhcpcd-response-command-execution(66641)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66641"}, {"name": "[dhcpcd-discuss] 20110406 [CVE-2011-996] dhcpcd does not strip or escape shell meta characters", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://roy.marples.name/archives/dhcpcd-discuss/2011/0326.html"}, {"name": "44070", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/44070"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://roy.marples.name/projects/dhcpcd/changeset/c317b39786ac6c3a939dc711db7c78cf099859fd"}, {"name": "47272", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/47272"}, {"name": "GLSA-201301-04", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "http://security.gentoo.org/glsa/glsa-201301-04.xml"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2011-0996", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "dhcpcd before 5.2.12 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://roy.marples.name/projects/dhcpcd/timeline", "refsource": "CONFIRM", "url": "http://roy.marples.name/projects/dhcpcd/timeline"}, {"name": "https://bugzilla.novell.com/show_bug.cgi?id=675052", "refsource": "CONFIRM", "url": "https://bugzilla.novell.com/show_bug.cgi?id=675052"}, {"name": "dhcpcd-response-command-execution(66641)", "refsource": "XF", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66641"}, {"name": "[dhcpcd-discuss] 20110406 [CVE-2011-996] dhcpcd does not strip or escape shell meta characters", "refsource": "MLIST", "url": "http://roy.marples.name/archives/dhcpcd-discuss/2011/0326.html"}, {"name": "44070", "refsource": "SECUNIA", "url": "http://secunia.com/advisories/44070"}, {"name": "http://roy.marples.name/projects/dhcpcd/changeset/c317b39786ac6c3a939dc711db7c78cf099859fd", "refsource": "CONFIRM", "url": "http://roy.marples.name/projects/dhcpcd/changeset/c317b39786ac6c3a939dc711db7c78cf099859fd"}, {"name": "47272", "refsource": "BID", "url": "http://www.securityfocus.com/bid/47272"}, {"name": "GLSA-201301-04", "refsource": "GENTOO", "url": "http://security.gentoo.org/glsa/glsa-201301-04.xml"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T22:14:27.102Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://roy.marples.name/projects/dhcpcd/timeline"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.novell.com/show_bug.cgi?id=675052"}, {"name": "dhcpcd-response-command-execution(66641)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66641"}, {"name": "[dhcpcd-discuss] 20110406 [CVE-2011-996] dhcpcd does not strip or escape shell meta characters", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://roy.marples.name/archives/dhcpcd-discuss/2011/0326.html"}, {"name": "44070", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/44070"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://roy.marples.name/projects/dhcpcd/changeset/c317b39786ac6c3a939dc711db7c78cf099859fd"}, {"name": "47272", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/47272"}, {"name": "GLSA-201301-04", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "http://security.gentoo.org/glsa/glsa-201301-04.xml"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2011-0996", "datePublished": "2011-04-13T14:00:00.000Z", "dateReserved": "2011-02-14T00:00:00.000Z", "dateUpdated": "2024-08-06T22:14:27.102Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:roy_marples:dhcpcd:*:*:*:*:*:*:*:*", "matchCriteriaId": "480FC2D1-6A4B-4BEC-A0D7-B823A4BB23B1", "versionEndIncluding": "5.2.10", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "dhcpcd before 5.2.12 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message."}, {"lang": "es", "value": "dhcpcd antes de v5.2.12 permite a atacantes remotos ejecutar comandos de su elecci\u00f3n v\u00eda metacaracteres encubiertos en un nombre de host obtenido a partir de un mensaje DHCP.\r\n"}], "id": "CVE-2011-0996", "lastModified": "2026-06-16T23:28:25.810", "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": "2011-04-13T14:55:01.357", "references": [{"source": "cve@mitre.org", "url": "http://roy.marples.name/archives/dhcpcd-discuss/2011/0326.html"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://roy.marples.name/projects/dhcpcd/changeset/c317b39786ac6c3a939dc711db7c78cf099859fd"}, {"source": "cve@mitre.org", "url": "http://roy.marples.name/projects/dhcpcd/timeline"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/44070"}, {"source": "cve@mitre.org", "url": "http://security.gentoo.org/glsa/glsa-201301-04.xml"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/47272"}, {"source": "cve@mitre.org", "url": "https://bugzilla.novell.com/show_bug.cgi?id=675052"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66641"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://roy.marples.name/archives/dhcpcd-discuss/2011/0326.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://roy.marples.name/projects/dhcpcd/changeset/c317b39786ac6c3a939dc711db7c78cf099859fd"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://roy.marples.name/projects/dhcpcd/timeline"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/44070"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://security.gentoo.org/glsa/glsa-201301-04.xml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/47272"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.novell.com/show_bug.cgi?id=675052"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66641"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}