Rakuten Viber 9.3.0.6 on Android Secret Chat information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Rakuten Viber 9.3.0.6 on Android. This issue affects some unknown processing of the component Secret Chat. Executing a manipulation can lead to information disclosure. This vulnerability appears as CVE-2018-3987. The attack requires local access. There is no available exploit.

Detailsinfo

A vulnerability has been found in Rakuten Viber 9.3.0.6 on Android (Android App Software) and classified as problematic. This vulnerability affects an unknown functionality of the component Secret Chat. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

An exploitable information disclosure vulnerability exists in the 'Secret Chats' functionality of Rakuten Viber on Android 9.3.0.6. The 'Secret Chats' functionality allows a user to delete all traces of a chat either by using a time trigger or by direct request. There is a bug in this functionality which leaves behind photos taken and shared on the secret chats, even after the chats are deleted. These photos will be stored in the device and accessible to all applications installed on the Android device.

The weakness was presented 02/13/2020. This vulnerability was named CVE-2018-3987 since 01/02/2018. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

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

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Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 4.2
CNA Vector (Talos): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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

01/02/2018 🔍
02/13/2020 +772 days 🔍
02/13/2020 +0 days 🔍
03/30/2024 +1507 days 🔍

Sourcesinfo

Advisory: talosintelligence.com
Status: Not defined

CVE: CVE-2018-3987 (🔍)
GCVE (CVE): GCVE-0-2018-3987
GCVE (VulDB): GCVE-100-150088
scip Labs: https://www.scip.ch/en/?labs.20130704

Entryinfo

Created: 02/13/2020 18:27
Updated: 03/30/2024 17:02
Changes: 02/13/2020 18:27 (36), 02/13/2020 18:32 (18), 03/30/2024 16:54 (17), 03/30/2024 17:02 (12)
Complete: 🔍
Cache ID: 216::103

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