VDB-100653 · CVE-2017-2091 · BID 96429

Cybozu Garoon up to 4.2.3 Phone Message access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Cybozu Garoon up to 4.2.3. It has been rated as problematic. This vulnerability affects unknown code of the component Phone Message Handler. Performing a manipulation results in access control. This vulnerability was named CVE-2017-2091. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Cybozu Garoon up to 4.2.3 (Groupware Software). It has been classified as critical. This affects an unknown function of the component Phone Message Handler. 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. The summary by CVE is:

Cybozu Garoon 3.0.0 to 4.2.3 allows remote authenticated attackers to bypass access restriction in Phone Messages function to alter the status of phone messages via unspecified vectors.

The bug was discovered 02/20/2017. The weakness was presented 04/28/2017 with Cybozu, Inc. (Website). The advisory is shared at jvn.jp. This vulnerability is uniquely identified as CVE-2017-2091 since 12/01/2016. It is possible to initiate the attack remotely. The successful exploitation requires a authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 67 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 96429†). See VDB-100652, VDB-100654, VDB-100655 and VDB-100656 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

Name

Version

License

Website

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

NVD Base Score: 4.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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OpenVAS ID: 801056
OpenVAS Name: Cybozu Garoon Multiple Vulnerabilities - Apr17
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/01/2016 🔍
02/20/2017 +81 days 🔍
02/20/2017 +0 days 🔍
04/28/2017 +67 days 🔍
04/28/2017 +0 days 🔍
04/28/2017 +0 days 🔍
12/21/2020 +1333 days 🔍

Sourcesinfo

Vendor: cybozu-global.com

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

CVE: CVE-2017-2091 (🔍)
GCVE (CVE): GCVE-0-2017-2091
GCVE (VulDB): GCVE-100-100653
SecurityFocus: 96429 - Cybozu Garoon Multiple Security Vulnerabilities
OSVDB: - CVE-2017-2091 - Cybozu - Garoon - Medium

See also: 🔍

Entryinfo

Created: 04/28/2017 23:43
Updated: 12/21/2020 16:48
Changes: 04/28/2017 23:43 (65), 09/21/2020 17:45 (5), 12/21/2020 16:48 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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