VDB-88121 · CVE-2016-1188 · OpenVAS 801056

Cybozu Garoon up to 3.x/4.2.0 E-Mail Message authentication spoofing

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.
6.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Cybozu Garoon up to 3.x/4.2.0. It has been classified as critical. Affected by this vulnerability is an unknown functionality of the component E-Mail Message Handler. The manipulation leads to authentication spoofing. This vulnerability is documented as CVE-2016-1188. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cybozu Garoon up to 3.x/4.2.0 (Groupware Software). This issue affects an unknown code block of the component E-Mail Message Handler. The manipulation with an unknown input leads to a authentication spoofing vulnerability. Using CWE to declare the problem leads to CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. Impacted is confidentiality, and integrity. The summary by CVE is:

Cybozu Garoon 3.x and 4.x before 4.2.1 allows remote authenticated users to send spoofed e-mail messages via unspecified vectors.

The weakness was released 06/25/2016 (Website). The advisory is shared at support.cybozu.com. The identification of this vulnerability is CVE-2016-1188 since 12/26/2015. The exploitation is known to be easy. The attack may be initiated remotely. The requirement for exploitation is a simple authentication. Neither technical details nor an exploit are publicly available.

Upgrading to version 4.2.1 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-88069, VDB-88070, VDB-88122 and VDB-88123. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Groupware Software

Vendor

Cybozu

Name

Garoon

Version

License

commercial

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

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: Authentication spoofing
CWE: CWE-290 / CWE-287
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

OpenVAS ID: 801056
OpenVAS Name: Cybozu Garoon Multiple Vulnerabilities-01 Jun16
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Garoon 4.2.1

Timelineinfo

12/26/2015 🔍
06/25/2016 +182 days 🔍
06/25/2016 +0 days 🔍
06/27/2016 +2 days 🔍
02/09/2019 +957 days 🔍

Sourcesinfo

Vendor: cybozu-global.com

Advisory: support.cybozu.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-1188 (🔍)
GCVE (CVE): GCVE-0-2016-1188
GCVE (VulDB): GCVE-100-88121
See also: 🔍

Entryinfo

Created: 06/27/2016 09:08
Updated: 02/09/2019 11:18
Changes: 06/27/2016 09:08 (54), 02/09/2019 11:18 (10)
Complete: 🔍
Cache ID: 216:898:103

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