VDB-100344 · CVE-2016-1220 · BID 92599

Cybozu Garoon up to 4.2.1 access control

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.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Cybozu Garoon up to 4.2.1. It has been declared as critical. This affects an unknown part. The manipulation results in access control. This vulnerability is cataloged as CVE-2016-1220. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Cybozu Garoon up to 4.2.1 (Groupware Software). Affected is some unknown processing. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Cybozu Garoon before 4.2.2 does not properly restrict access.

The bug was discovered 08/22/2016. The weakness was shared 04/20/2017 with Cybozu, Inc. (Website). The advisory is shared for download at jvn.jp. This vulnerability is traded as CVE-2016-1220 since 12/26/2015. The exploitability is told to be easy. It is possible to launch the attack remotely. Required for exploitation is a authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 241 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 4.2.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 92599†). The entries VDB-100343, VDB-100342, VDB-100341 and VDB-100340 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
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: Access control
CWE: 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

OpenVAS ID: 801056
OpenVAS Name: Cybozu Garoon Multiple Vulnerabilities - Aug16
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Garoon 4.2.2

Timelineinfo

12/26/2015 🔍
08/22/2016 +240 days 🔍
08/22/2016 +0 days 🔍
04/20/2017 +241 days 🔍
04/20/2017 +0 days 🔍
04/21/2017 +1 days 🔍
12/21/2020 +1340 days 🔍

Sourcesinfo

Vendor: cybozu-global.com

Advisory: jvn.jp
Researcher: Cybozu
Organization: Cybozu, Inc.
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-1220 (🔍)
GCVE (CVE): GCVE-0-2016-1220
GCVE (VulDB): GCVE-100-100344
SecurityFocus: 92599 - Cybozu Garoon CVE-2016-1220 Access Bypass Vulnerability
OSVDB: - CVE-2016-1220 - Cybozu - Garoon - Security Bypass Issue

See also: 🔍

Entryinfo

Created: 04/21/2017 09:44
Updated: 12/21/2020 09:19
Changes: 04/21/2017 09:44 (69), 09/18/2020 17:00 (2), 12/21/2020 09:19 (2)
Complete: 🔍
Cache ID: 216::103

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