CVE-2016-7812 - Vulnerability Details - OpenCVE

The Bank of Tokyo-Mitsubishi UFJ, Ltd. App for Android ver5.3.1, ver5.2.2 and earlier allow a man-in-the-middle attacker to downgrade the communication between the app and the server from TLS v1.2 to SSL v3.0, which may result in the attacker to eavesdrop on an encrypted communication.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction Required

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00418.

Key SSVC decision points have not yet been added.

Vendors	Products
Mufg	Mitsubishi Ufj

Configuration 1 [-]

OR	cpe:2.3:a:mufg:mitsubishi_ufj:::::android:::*
	cpe:2.3:a:mufg:mitsubishi_ufj:5.3.1::::android:::

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2016-8661	The Bank of Tokyo-Mitsubishi UFJ, Ltd. App for Android ver5.3.1, ver5.2.2 and earlier allow a man-in-the-middle attacker to downgrade the communication between the app and the server from TLS v1.2 to SSL v3.0, which may result in the attacker to eavesdrop on an encrypted communication.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://www.securityfocus.com/bid/94829
https://jvn.jp/en/vu/JVNVU92900492/

History

No history.

MITRE

Status: PUBLISHED

Assigner: jpcert

Published: 2017-08-02T16:00:00

Updated: 2024-08-06T02:04:56.096Z

Reserved: 2016-09-09T00:00:00

Link: CVE-2016-7812

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2017-08-02T16:29:00.177

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

Link: CVE-2016-7812

Redhat

No data.

OpenCVE Enrichment

No data.

{"containers": {"cna": {"affected": [{"product": "The Bank of Tokyo-Mitsubishi UFJ, Ltd. App for Android", "vendor": "The Bank of Tokyo-Mitsubishi UFJ, Ltd.", "versions": [{"status": "affected", "version": "ver5.3.1"}]}, {"product": "The Bank of Tokyo-Mitsubishi UFJ, Ltd. App for Android", "vendor": "The Bank of Tokyo-Mitsubishi UFJ, Ltd.", "versions": [{"status": "affected", "version": "ver5.2.2 and earlier"}]}], "datePublic": "2017-08-02T00:00:00", "descriptions": [{"lang": "en", "value": "The Bank of Tokyo-Mitsubishi UFJ, Ltd. App for Android ver5.3.1, ver5.2.2 and earlier allow a man-in-the-middle attacker to downgrade the communication between the app and the server from TLS v1.2 to SSL v3.0, which may result in the attacker to eavesdrop on an encrypted communication."}], "problemTypes": [{"descriptions": [{"description": "Untrusted search path vulnerability", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-08-03T09:57:01", "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://jvn.jp/en/vu/JVNVU92900492/"}, {"name": "94829", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/94829"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vultures@jpcert.or.jp", "ID": "CVE-2016-7812", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "The Bank of Tokyo-Mitsubishi UFJ, Ltd. App for Android", "version": {"version_data": [{"version_value": "ver5.3.1"}]}}, {"product_name": "The Bank of Tokyo-Mitsubishi UFJ, Ltd. App for Android", "version": {"version_data": [{"version_value": "ver5.2.2 and earlier"}]}}]}, "vendor_name": "The Bank of Tokyo-Mitsubishi UFJ, Ltd."}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The Bank of Tokyo-Mitsubishi UFJ, Ltd. App for Android ver5.3.1, ver5.2.2 and earlier allow a man-in-the-middle attacker to downgrade the communication between the app and the server from TLS v1.2 to SSL v3.0, which may result in the attacker to eavesdrop on an encrypted communication."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Untrusted search path vulnerability"}]}]}, "references": {"reference_data": [{"name": "https://jvn.jp/en/vu/JVNVU92900492/", "refsource": "MISC", "url": "https://jvn.jp/en/vu/JVNVU92900492/"}, {"name": "94829", "refsource": "BID", "url": "http://www.securityfocus.com/bid/94829"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T02:04:56.096Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://jvn.jp/en/vu/JVNVU92900492/"}, {"name": "94829", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/94829"}]}]}, "cveMetadata": {"assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "assignerShortName": "jpcert", "cveId": "CVE-2016-7812", "datePublished": "2017-08-02T16:00:00", "dateReserved": "2016-09-09T00:00:00", "dateUpdated": "2024-08-06T02:04:56.096Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mufg:mitsubishi_ufj:*:*:*:*:android:*:*:*", "matchCriteriaId": "445A7801-1BEF-4842-A279-008584456895", "versionEndIncluding": "5.2.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:mufg:mitsubishi_ufj:5.3.1:*:*:*:android:*:*:*", "matchCriteriaId": "38FF25F8-AC91-4CFF-AFA1-1B93EFAE830B", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Bank of Tokyo-Mitsubishi UFJ, Ltd. App for Android ver5.3.1, ver5.2.2 and earlier allow a man-in-the-middle attacker to downgrade the communication between the app and the server from TLS v1.2 to SSL v3.0, which may result in the attacker to eavesdrop on an encrypted communication."}, {"lang": "es", "value": "La app de The Bank of Tokyo-Mitsubishi UFJ, Ltd. para Android en sus versiones 5.3.1, 5.2.2 y anteriores permite que un atacante Man-in-the-Middle (MitM) pueda revertir la comunicaci\u00f3n entre la app y el servidor de TLS v1.2 a SSL v3.0, haciendo que el atacante pueda escuchar la comunicaci\u00f3n cifrada."}], "id": "CVE-2016-7812", "lastModified": "2025-04-20T01:37:25.860", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N", "version": "3.0"}, "exploitabilityScore": 1.6, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-08-02T16:29:00.177", "references": [{"source": "vultures@jpcert.or.jp", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/94829"}, {"source": "vultures@jpcert.or.jp", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://jvn.jp/en/vu/JVNVU92900492/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/94829"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://jvn.jp/en/vu/JVNVU92900492/"}], "sourceIdentifier": "vultures@jpcert.or.jp", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-310"}], "source": "nvd@nist.gov", "type": "Primary"}]}