VDB-62248 · CVE-2012-4013 · GCVE-0-2012-4013

Cybozu KUNAI Browser for Remote Service webView Class information disclosure

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Cybozu KUNAI Browser for Remote Service and classified as problematic. Affected is an unknown function of the component webView Class. Executing a manipulation can lead to information disclosure. This vulnerability appears as CVE-2012-4013. There is no available exploit.

Detailsinfo

A vulnerability has been found in Cybozu KUNAI Browser for Remote Service (the affected version is unknown) and classified as problematic. This vulnerability affects an unknown code of the component webView Class. 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:

The WebView class in the Cybozu KUNAI Browser for Remote Service application beta for Android allows remote attackers to execute arbitrary JavaScript code, and obtain sensitive information, via a crafted application that places this code into a local file associated with a file: URL.

The weakness was presented 09/14/2012 (Website). The advisory is shared for download at products.cybozu.co.jp. This vulnerability was named CVE-2012-4013 since 07/12/2012. The attack can be initiated remotely. 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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Cybozu

Name

KUNAI Browser for Remote Service

License

commercial

Website

Vendor: https://cybozu-global.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/12/2012 🔍
09/14/2012 +64 days 🔍
09/14/2012 +0 days 🔍
03/24/2015 +921 days 🔍
02/06/2018 +1050 days 🔍

Sourcesinfo

Vendor: cybozu-global.com

Advisory: products.cybozu.co.jp
Status: Not defined

CVE: CVE-2012-4013 (🔍)
GCVE (CVE): GCVE-0-2012-4013
GCVE (VulDB): GCVE-100-62248

Entryinfo

Created: 03/24/2015 12:22
Updated: 02/06/2018 07:37
Changes: 03/24/2015 12:22 (39), 02/06/2018 07:37 (6)
Complete: 🔍
Cache ID: 216::103