VDB-100655 · CVE-2017-2093 · BID 96429

Cybozu Garoon up to 4.2.3 CSRF Protection 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 (≈)
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Cybozu Garoon up to 4.2.3. Impacted is an unknown function of the component CSRF protection. The manipulation leads to information disclosure. This vulnerability is referenced as CVE-2017-2093. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Cybozu Garoon up to 4.2.3 (Groupware Software). It has been rated as problematic. This issue affects some unknown functionality of the component CSRF Protection. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

Cybozu Garoon 3.0.0 to 4.2.3 allow remote attackers to obtain tokens used for CSRF protection via unspecified vectors.

The bug was discovered 02/20/2017. The weakness was published 04/28/2017 with Cybozu, Inc. (Website). It is possible to read the advisory at jvn.jp. The identification of this vulnerability is CVE-2017-2093 since 12/01/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

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†). Similar entries are available at VDB-100652, VDB-100653, VDB-100654 and VDB-100656. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

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Version

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Website

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: 4.3
VulDB Temp Score: 4.3
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: 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: 🔍

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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-2017-2093 (🔍)
GCVE (CVE): GCVE-0-2017-2093
GCVE (VulDB): GCVE-100-100655
SecurityFocus: 96429 - Cybozu Garoon Multiple Security Vulnerabilities
OSVDB: - CVE-2017-2093 - Cybozu - Garoon - Medium

See also: 🔍

Entryinfo

Created: 04/28/2017 23:44
Updated: 12/21/2020 16:58
Changes: 04/28/2017 23:44 (65), 09/21/2020 17:56 (5), 12/21/2020 16:58 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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