CVE-2016-6241 - Vulnerability Details - OpenCVE

Integer overflow in the amap_alloc1 function in OpenBSD 5.8 and 5.9 allows local users to execute arbitrary code with kernel privileges via a large size value.

No CVSS v4.0

No CVSS v3.1

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Openbsd	Openbsd

Configuration 1 [-]

OR	cpe:2.3:o:openbsd:openbsd:5.8:::::::*
	cpe:2.3:o:openbsd:openbsd:5.9:::::::*

No data.

References

Link	Providers
https://www.spirityenterprise.com/pentest
https://www.spirityenterprise.com/virtual-ciso
http://www.openbsd.org/errata58.html
http://www.openbsd.org/errata59.html
http://www.openwall.com/lists/oss-security/2016/07/14/5
http://www.openwall.com/lists/oss-security/2016/07/17/7
http://www.securityfocus.com/bid/91805
http://www.securitytracker.com/id/1036318

History

No history.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2017-03-07T16:00:00.000Z

Updated: 2024-08-06T01:22:20.651Z

Reserved: 2016-07-17T00:00:00.000Z

Link: CVE-2016-6241

Vulnrichment

No data.

NVD

Status : Modified

Published: 2017-03-07T16:59:00.477

Modified: 2026-05-13T00:24:29.033

Link: CVE-2016-6241

Redhat

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-07-14T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Integer overflow in the amap_alloc1 function in OpenBSD 5.8 and 5.9 allows local users to execute arbitrary code with kernel privileges via a large size value."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-08-31T09:57:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "1036318", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id/1036318"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.openbsd.org/errata59.html"}, {"name": "[oss-security] 20160714 Multiple Bugs in OpenBSD Kernel", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2016/07/14/5"}, {"name": "[oss-security] 20160717 ReL Multiple Bugs in OpenBSD Kernel", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2016/07/17/7"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.openbsd.org/errata58.html"}, {"name": "91805", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/91805"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2016-6241", "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": "Integer overflow in the amap_alloc1 function in OpenBSD 5.8 and 5.9 allows local users to execute arbitrary code with kernel privileges via a large size value."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "1036318", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1036318"}, {"name": "http://www.openbsd.org/errata59.html", "refsource": "CONFIRM", "url": "http://www.openbsd.org/errata59.html"}, {"name": "[oss-security] 20160714 Multiple Bugs in OpenBSD Kernel", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2016/07/14/5"}, {"name": "[oss-security] 20160717 ReL Multiple Bugs in OpenBSD Kernel", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2016/07/17/7"}, {"name": "http://www.openbsd.org/errata58.html", "refsource": "CONFIRM", "url": "http://www.openbsd.org/errata58.html"}, {"name": "91805", "refsource": "BID", "url": "http://www.securityfocus.com/bid/91805"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T01:22:20.651Z"}, "title": "CVE Program Container", "references": [{"name": "1036318", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id/1036318"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.openbsd.org/errata59.html"}, {"name": "[oss-security] 20160714 Multiple Bugs in OpenBSD Kernel", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2016/07/14/5"}, {"name": "[oss-security] 20160717 ReL Multiple Bugs in OpenBSD Kernel", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2016/07/17/7"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.openbsd.org/errata58.html"}, {"name": "91805", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/91805"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2016-6241", "datePublished": "2017-03-07T16:00:00.000Z", "dateReserved": "2016-07-17T00:00:00.000Z", "dateUpdated": "2024-08-06T01:22:20.651Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:openbsd:openbsd:5.8:*:*:*:*:*:*:*", "matchCriteriaId": "F69813E0-1ED8-4417-BE52-BAC9CDCA2070", "vulnerable": true}, {"criteria": "cpe:2.3:o:openbsd:openbsd:5.9:*:*:*:*:*:*:*", "matchCriteriaId": "DD160B3E-E1D1-432E-ABFB-B288B4EEEE4A", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Integer overflow in the amap_alloc1 function in OpenBSD 5.8 and 5.9 allows local users to execute arbitrary code with kernel privileges via a large size value."}, {"lang": "es", "value": "Desbordamiento de entero en la funci\u00f3n amap_alloc1 en OpenBSD 5.8 y 5.9 permite a usuarios locales ejecutar c\u00f3digo arbitrario con privilegios del kernel a trav\u00e9s de un valor de gran tama\u00f1o."}], "id": "CVE-2016-6241", "lastModified": "2026-05-13T00:24:29.033", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-03-07T16:59:00.477", "references": [{"source": "cve@mitre.org", "tags": ["Release Notes"], "url": "http://www.openbsd.org/errata58.html"}, {"source": "cve@mitre.org", "tags": ["Release Notes"], "url": "http://www.openbsd.org/errata59.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/07/14/5"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/07/17/7"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/91805"}, {"source": "cve@mitre.org", "url": "http://www.securitytracker.com/id/1036318"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "http://www.openbsd.org/errata58.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "http://www.openbsd.org/errata59.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/07/14/5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/07/17/7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/91805"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1036318"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "nvd@nist.gov", "type": "Primary"}]}