CVE-2016-6485 - Vulnerability Details - OpenCVE

The __construct function in Framework/Encryption/Crypt.php in Magento 2 uses the PHP rand function to generate a random number for the initialization vector, which makes it easier for remote attackers to defeat cryptographic protection mechanisms by guessing the value.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00047.

Key SSVC decision points have not yet been added.

Vendors	Products
Magento Subscribe	Magento2 Subscribe

Configuration 1 [-]

cpe:2.3:a:magento:magento2:-:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2019-0751	Unauthenticated crypto and weak IV in Magento\Framework\Encryption
Github GHSA	GHSA-h7qw-mxrm-c6h2	Unauthenticated crypto and weak IV in Magento\Framework\Encryption

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://www.openwall.com/lists/oss-security/2016/07/19/3
http://www.openwall.com/lists/oss-security/2016/07/27/14
https://github.com/magento/magento2/pull/15017

History

No history.

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2017-03-01T20:00:00

Updated: 2024-08-06T01:29:20.240Z

Reserved: 2016-07-27T00:00:00

Link: CVE-2016-6485

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2017-03-01T20:59:00.220

Modified: 2025-04-20T01:37:25.860

Link: CVE-2016-6485

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-327

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-07-19T00:00:00", "descriptions": [{"lang": "en", "value": "The __construct function in Framework/Encryption/Crypt.php in Magento 2 uses the PHP rand function to generate a random number for the initialization vector, which makes it easier for remote attackers to defeat cryptographic protection mechanisms by guessing the value."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-07-09T15:57:01", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/magento/magento2/pull/15017"}, {"name": "[oss-security] 20160719 Ruining the Magic of Magento's Encryption Library", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2016/07/19/3"}, {"name": "[oss-security] 20160727 Re: Ruining the Magic of Magento's Encryption Library", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2016/07/27/14"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2016-6485", "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": "The __construct function in Framework/Encryption/Crypt.php in Magento 2 uses the PHP rand function to generate a random number for the initialization vector, which makes it easier for remote attackers to defeat cryptographic protection mechanisms by guessing the value."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/magento/magento2/pull/15017", "refsource": "CONFIRM", "url": "https://github.com/magento/magento2/pull/15017"}, {"name": "[oss-security] 20160719 Ruining the Magic of Magento's Encryption Library", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2016/07/19/3"}, {"name": "[oss-security] 20160727 Re: Ruining the Magic of Magento's Encryption Library", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2016/07/27/14"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T01:29:20.240Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/magento/magento2/pull/15017"}, {"name": "[oss-security] 20160719 Ruining the Magic of Magento's Encryption Library", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2016/07/19/3"}, {"name": "[oss-security] 20160727 Re: Ruining the Magic of Magento's Encryption Library", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2016/07/27/14"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2016-6485", "datePublished": "2017-03-01T20:00:00", "dateReserved": "2016-07-27T00:00:00", "dateUpdated": "2024-08-06T01:29:20.240Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:magento:magento2:-:*:*:*:*:*:*:*", "matchCriteriaId": "78F0126A-59EF-4AFC-B9BE-8F1764743FC4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The __construct function in Framework/Encryption/Crypt.php in Magento 2 uses the PHP rand function to generate a random number for the initialization vector, which makes it easier for remote attackers to defeat cryptographic protection mechanisms by guessing the value."}, {"lang": "es", "value": "La funci\u00f3n __construct en Framework/Encryption/Crypt.php en Magento 2 usa la funci\u00f3n rand de PHP para generar un n\u00famero aleatorio para el vector de inicializaci\u00f3n lo que hace m\u00e1s f\u00e1cil para los atacantes remotos derrotar los mecanismos de protecci\u00f3n criptogr\u00e1fica por el valor guesseng."}], "id": "CVE-2016-6485", "lastModified": "2025-04-20T01:37:25.860", "metrics": {"cvssMetricV2": [{"acInsufInfo": true, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-03-01T20:59:00.220", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/07/19/3"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/07/27/14"}, {"source": "cve@mitre.org", "url": "https://github.com/magento/magento2/pull/15017"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/07/19/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/07/27/14"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/magento/magento2/pull/15017"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-327"}], "source": "nvd@nist.gov", "type": "Primary"}]}