VDB-100343 · CVE-2016-1219 · BID 92598

Cybozu Garoon up to 4.2.1 API improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Cybozu Garoon up to 4.2.1. It has been classified as critical. Affected by this issue is some unknown functionality of the component API. The manipulation leads to improper authentication. This vulnerability is listed as CVE-2016-1219. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cybozu Garoon up to 4.2.1 (Groupware Software). This issue affects an unknown code block of the component API. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Cybozu Garoon before 4.2.2 allows remote attackers to bypass login authentication via vectors related to API use.

The bug was discovered 08/22/2016. The weakness was presented 04/20/2017 with Cybozu, Inc. (Website). It is possible to read the advisory at jvn.jp. The identification of this vulnerability is CVE-2016-1219 since 12/26/2015. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

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 92598†). See VDB-100344, VDB-100342, VDB-100341 and VDB-100340 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Improper authentication
CWE: CWE-287
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 - 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 🔍
04/21/2017 +0 days 🔍

Sourcesinfo

Vendor: cybozu-global.com

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

CVE: CVE-2016-1219 (🔍)
GCVE (CVE): GCVE-0-2016-1219
GCVE (VulDB): GCVE-100-100343
SecurityFocus: 92598 - Cybozu Garoon CVE-2016-1219 Unspecified Authentication Bypass Vulnerability
OSVDB: - CVE-2016-1219 - Cybozu - Garoon - Authentication Bypass Issue

See also: 🔍

Entryinfo

Created: 04/21/2017 09:43
Changes: 04/21/2017 09:43 (73)
Complete: 🔍
Cache ID: 216::103

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