CVE-2011-3151

SELinux initscript misuse of touch

View on CVE.org

Published Apr 22, 2019 CVSS 3.0 · 5.2 Medium EPSS < 1% KEV · Not listed

Description

The Ubuntu SELinux initscript before version 1:0.10 used touch to create a lockfile in a world-writable directory. If the OS kernel does not have symlink protections then an attacker can cause a zero byte file to be allocated on any writable filesystem.

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:canonical:selinux:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2011-3118	The Ubuntu SELinux initscript before version 1:0.10 used touch to create a lockfile in a world-writable directory. If the OS kernel does not have symlink protections then an attacker can cause a zero byte file to be allocated on any writable filesystem.

Metrics

No CVSS v4.0

No CVSS v3.1

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact None

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.601% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://launchpadlibrarian.net/88098106/selinux_0.10~10.04.1.debdiff

History

No history.

Subscriptions

Canonical Selinux

Weaknesses

CWE-693

Sources

CVE record Updated: Sep 16, 2024, 10:26 PM

Status: PUBLISHED
Assigner: mitre
Published: Apr 22, 2019, 3:35 PM
Updated: Sep 16, 2024, 10:26 PM
Reserved: Aug 16, 2011, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 16, 2026, 11:32 PM

Status: Modified
Published: Apr 22, 2019, 4:29 PM
Modified: Jun 16, 2026, 11:32 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"}]}], "credits": [{"lang": "en", "value": "Hayawardh Vijayakumar"}], "datePublic": "2011-12-21T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The Ubuntu SELinux initscript before version 1:0.10 used touch to create a lockfile in a world-writable directory. If the OS kernel does not have symlink protections then an attacker can cause a zero byte file to be allocated on any writable filesystem."}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 5.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-04-22T15:35:58.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://launchpadlibrarian.net/88098106/selinux_0.10~10.04.1.debdiff"}], "source": {"defect": ["https://bugs.launchpad.net/ubuntu/+source/selinux/+bug/876994"], "discovery": "UNKNOWN"}, "title": "SELinux initscript misuse of touch", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "DATE_PUBLIC": "2011-12-21T00:00:00.000Z", "ID": "CVE-2011-3151", "STATE": "PUBLIC", "TITLE": "SELinux initscript misuse of touch"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "credit": [{"lang": "eng", "value": "Hayawardh Vijayakumar"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The Ubuntu SELinux initscript before version 1:0.10 used touch to create a lockfile in a world-writable directory. If the OS kernel does not have symlink protections then an attacker can cause a zero byte file to be allocated on any writable filesystem."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 5.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://launchpadlibrarian.net/88098106/selinux_0.10~10.04.1.debdiff", "refsource": "MISC", "url": "https://launchpadlibrarian.net/88098106/selinux_0.10~10.04.1.debdiff"}]}, "source": {"defect": ["https://bugs.launchpad.net/ubuntu/+source/selinux/+bug/876994"], "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T23:22:27.564Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://launchpadlibrarian.net/88098106/selinux_0.10~10.04.1.debdiff"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2011-3151", "datePublished": "2019-04-22T15:35:58.934Z", "dateReserved": "2011-08-16T00:00:00.000Z", "dateUpdated": "2024-09-16T22:26:42.178Z", "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:canonical:selinux:*:*:*:*:*:*:*:*", "matchCriteriaId": "B1A195C8-6971-402F-88FD-4A9E264C7130", "versionEndExcluding": "1\\:0.10", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Ubuntu SELinux initscript before version 1:0.10 used touch to create a lockfile in a world-writable directory. If the OS kernel does not have symlink protections then an attacker can cause a zero byte file to be allocated on any writable filesystem."}, {"lang": "es", "value": "El initscript de Ubuntu SELinux anterior a la versi\u00f3n 1:0.10 utiliza el tacto para crear un LockFile en un directorio de escritura mundial. Si OS kernel no tiene protecciones symlink, entonces un atacante puede provocar que un archivo de cero bytes se asigne en cualquier sistema de archivos de escritura."}], "id": "CVE-2011-3151", "lastModified": "2026-06-16T23:32:45.620", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.8, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 5.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L", "version": "3.0"}, "exploitabilityScore": 2.0, "impactScore": 2.7, "source": "cve@mitre.org", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.0"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-04-22T16:29:00.397", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://launchpadlibrarian.net/88098106/selinux_0.10~10.04.1.debdiff"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://launchpadlibrarian.net/88098106/selinux_0.10~10.04.1.debdiff"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-693"}], "source": "nvd@nist.gov", "type": "Primary"}]}