CVE-2015-2987

View on CVE.org

Published Aug 28, 2015 CVSS 2.0 · 2.6 Low EPSS < 1% KEV · Not listed

Description

Type74 ED before 4.0 misuses 128-bit ECB encryption for small files, which makes it easier for attackers to obtain plaintext data via differential cryptanalysis of a file with an original length smaller than 128 bits.

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:type74:ed:*:*:*:*:*:*:*:*

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-2015-3070	Type74 ED before 4.0 misuses 128-bit ECB encryption for small files, which makes it easier for attackers to obtain plaintext data via differential cryptanalysis of a file with an original length smaller than 128 bits.

Metrics

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity High

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.695% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://jvn.jp/en/jp/JVN91474878/index.html
http://jvndb.jvn.jp/jvndb/JVNDB-2015-000119
http://type74.org/edman5-1.php
http://type74org.blog14.fc2.com/blog-entry-1384.html

History

No history.

Subscriptions

Type74 Ed

Weaknesses

CWE-17

Sources

CVE record Updated: Aug 6, 2024, 5:32 AM

Status: PUBLISHED
Assigner: jpcert
Published: Aug 28, 2015, 2:00 PM
Updated: Aug 6, 2024, 5:32 AM
Reserved: Apr 7, 2015, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 12:25 AM

Status: Modified
Published: Aug 28, 2015, 3:59 PM
Modified: Jun 17, 2026, 12:25 AM

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": "2015-08-27T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Type74 ED before 4.0 misuses 128-bit ECB encryption for small files, which makes it easier for attackers to obtain plaintext data via differential cryptanalysis of a file with an original length smaller than 128 bits."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2015-08-28T14:57:03.000Z", "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "http://type74org.blog14.fc2.com/blog-entry-1384.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://type74.org/edman5-1.php"}, {"name": "JVNDB-2015-000119", "tags": ["third-party-advisory", "x_refsource_JVNDB"], "url": "http://jvndb.jvn.jp/jvndb/JVNDB-2015-000119"}, {"name": "JVN#91474878", "tags": ["third-party-advisory", "x_refsource_JVN"], "url": "http://jvn.jp/en/jp/JVN91474878/index.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vultures@jpcert.or.jp", "ID": "CVE-2015-2987", "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": "Type74 ED before 4.0 misuses 128-bit ECB encryption for small files, which makes it easier for attackers to obtain plaintext data via differential cryptanalysis of a file with an original length smaller than 128 bits."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://type74org.blog14.fc2.com/blog-entry-1384.html", "refsource": "CONFIRM", "url": "http://type74org.blog14.fc2.com/blog-entry-1384.html"}, {"name": "http://type74.org/edman5-1.php", "refsource": "CONFIRM", "url": "http://type74.org/edman5-1.php"}, {"name": "JVNDB-2015-000119", "refsource": "JVNDB", "url": "http://jvndb.jvn.jp/jvndb/JVNDB-2015-000119"}, {"name": "JVN#91474878", "refsource": "JVN", "url": "http://jvn.jp/en/jp/JVN91474878/index.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T05:32:21.180Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://type74org.blog14.fc2.com/blog-entry-1384.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://type74.org/edman5-1.php"}, {"name": "JVNDB-2015-000119", "tags": ["third-party-advisory", "x_refsource_JVNDB", "x_transferred"], "url": "http://jvndb.jvn.jp/jvndb/JVNDB-2015-000119"}, {"name": "JVN#91474878", "tags": ["third-party-advisory", "x_refsource_JVN", "x_transferred"], "url": "http://jvn.jp/en/jp/JVN91474878/index.html"}]}]}, "cveMetadata": {"assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "assignerShortName": "jpcert", "cveId": "CVE-2015-2987", "datePublished": "2015-08-28T14:00:00.000Z", "dateReserved": "2015-04-07T00:00:00.000Z", "dateUpdated": "2024-08-06T05:32:21.180Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "vultures@jpcert.or.jp"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:type74:ed:*:*:*:*:*:*:*:*", "matchCriteriaId": "716CE8DC-2409-4329-A52B-B80C9EBD28CD", "versionEndIncluding": "3.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Type74 ED before 4.0 misuses 128-bit ECB encryption for small files, which makes it easier for attackers to obtain plaintext data via differential cryptanalysis of a file with an original length smaller than 128 bits."}, {"lang": "es", "value": "Vulnerabilidad en Type74 ED en versiones anteriores a 4.0, usa incorrectamente el cifrado ECB de 128 bits para archivos peque\u00f1os, lo que facilita a atacantes obtener datos de texto plano a trav\u00e9s del an\u00e1lisis de cifrado diferencial de un archivo con una longitud original inferior a 128 bits."}], "id": "CVE-2015-2987", "lastModified": "2026-06-17T00:25:06.020", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "HIGH", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:H/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 4.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2015-08-28T15:59:00.110", "references": [{"source": "vultures@jpcert.or.jp", "tags": ["Vendor Advisory"], "url": "http://jvn.jp/en/jp/JVN91474878/index.html"}, {"source": "vultures@jpcert.or.jp", "tags": ["Vendor Advisory"], "url": "http://jvndb.jvn.jp/jvndb/JVNDB-2015-000119"}, {"source": "vultures@jpcert.or.jp", "tags": ["Patch", "Vendor Advisory"], "url": "http://type74.org/edman5-1.php"}, {"source": "vultures@jpcert.or.jp", "tags": ["Vendor Advisory"], "url": "http://type74org.blog14.fc2.com/blog-entry-1384.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://jvn.jp/en/jp/JVN91474878/index.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://jvndb.jvn.jp/jvndb/JVNDB-2015-000119"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://type74.org/edman5-1.php"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://type74org.blog14.fc2.com/blog-entry-1384.html"}], "sourceIdentifier": "vultures@jpcert.or.jp", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-17"}], "source": "nvd@nist.gov", "type": "Primary"}]}