VDB-100433 · CVE-2016-4832 · BID 91789

WAON Service Application up to 1.4.1 on Android SSL Certificate Validator certificate validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in WAON Service Application up to 1.4.1 on Android. This vulnerability affects unknown code of the component SSL Certificate Validator. The manipulation leads to certificate validation. This vulnerability is listed as CVE-2016-4832. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, has been found in WAON Service Application up to 1.4.1 on Android (Android App Software). This issue affects an unknown code of the component SSL Certificate Validator. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

WAON "Service Application" for Android 1.4.1 and earlier does not verify SSL certificates.

The bug was discovered 07/15/2016. The weakness was presented 04/21/2017 by Gaku Taniguchi with RiskFinder (Website). The advisory is shared at jvn.jp. The identification of this vulnerability is CVE-2016-4832 since 05/17/2016. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1587.003 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 280 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 91789†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.6
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/17/2016 🔍
07/15/2016 +59 days 🔍
07/15/2016 +0 days 🔍
04/21/2017 +280 days 🔍
04/21/2017 +0 days 🔍
04/21/2017 +0 days 🔍
09/19/2020 +1247 days 🔍

Sourcesinfo

Advisory: jvn.jp
Researcher: Gaku Taniguchi
Organization: RiskFinder
Status: Not defined

CVE: CVE-2016-4832 (🔍)
GCVE (CVE): GCVE-0-2016-4832
GCVE (VulDB): GCVE-100-100433
SecurityFocus: 91789 - AEON WAON for Android CVE-2016-4832 SSL Certificate Validation Security Bypass Vulnerability
OSVDB: - CVE-2016-4832 - Aeon - Waon - Medium

scip Labs: https://www.scip.ch/en/?labs.20130704

Entryinfo

Created: 04/21/2017 21:47
Updated: 09/19/2020 11:42
Changes: 04/21/2017 21:47 (65), 09/19/2020 11:42 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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