VDB-102164 · CVE-2016-4909 · BID 94973

Cybozu Garoon up to 3.x/4.2.2 cross-site request forgery

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Cybozu Garoon up to 3.x/4.2.2. It has been declared as problematic. The impacted element is an unknown function. Such manipulation leads to cross-site request forgery. This vulnerability is traded as CVE-2016-4909. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Cybozu Garoon up to 3.x/4.2.2 (Groupware Software) and classified as problematic. Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. Using CWE to declare the problem leads to CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. Impacted is integrity. CVE summarizes:

Cross-site request forgery (CSRF) vulnerability in Cybozu Garoon 3.0.0 to 4.2.2 allows remote attackers to hijack the authentication of a logged in user to force a logout via unspecified vectors.

The bug was discovered 12/19/2016. The weakness was shared 06/09/2017 (Website). The advisory is shared for download at jvn.jp. This vulnerability is handled as CVE-2016-4909 since 05/17/2016. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 172 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 94973†). The entries VDB-102168, VDB-102167, VDB-102166 and VDB-102165 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

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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: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
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 - Oct16
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/17/2016 🔍
12/19/2016 +216 days 🔍
12/19/2016 +0 days 🔍
06/09/2017 +172 days 🔍
06/09/2017 +0 days 🔍
06/10/2017 +1 days 🔍
12/26/2020 +1295 days 🔍

Sourcesinfo

Vendor: cybozu-global.com

Advisory: jvn.jp
Researcher: Yasuda Yuya
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-4909 (🔍)
GCVE (CVE): GCVE-0-2016-4909
GCVE (VulDB): GCVE-100-102164
SecurityFocus: 94973 - Cybozu Garoon CVE-2016-4909 Unspecified Cross Site Request Forgery Vulnerability

See also: 🔍

Entryinfo

Created: 06/10/2017 08:47
Updated: 12/26/2020 18:04
Changes: 06/10/2017 08:47 (64), 10/15/2019 16:27 (3), 12/26/2020 18:04 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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