VDB-99917 · CVE-2016-4867 · BID 93461

Cybozu Office up to 10.4.0 Project 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 classified as problematic has been found in Cybozu Office up to 10.4.0. This issue affects the function Project. The manipulation leads to information disclosure. This vulnerability is uniquely identified as CVE-2016-4867. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Cybozu Office up to 10.4.0 (Office Suite Software). It has been rated as problematic. This issue affects the function Project. 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:

The "Project" function in Cybozu 9.0.0 through 10.4.0 allows remote authenticated users to read closed project information.

The bug was discovered 10/03/2016. The weakness was disclosed 04/17/2017 by Yuji Tounai (Website). The advisory is shared at jvn.jp. The identification of this vulnerability is CVE-2016-4867 since 05/17/2016. The attack may be initiated remotely. Required for exploitation is a simple authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 196 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 93461†). The entries VDB-99922 and VDB-99923 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

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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💳💳💳💳💳💳
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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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/17/2016 🔍
10/03/2016 +139 days 🔍
10/07/2016 +4 days 🔍
04/17/2017 +192 days 🔍
04/17/2017 +0 days 🔍
04/18/2017 +1 days 🔍
08/31/2020 +1231 days 🔍

Sourcesinfo

Advisory: jvn.jp
Researcher: Yuji Tounai
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-4867 (🔍)
GCVE (CVE): GCVE-0-2016-4867
GCVE (VulDB): GCVE-100-99917
SecurityFocus: 93461 - Cybozu Office Multiple Security Bypass Vulnerabilities
OSVDB: - CVE-2016-4867 - Cybozu - Office - Security Bypass Issue

See also: 🔍

Entryinfo

Created: 04/18/2017 10:28
Updated: 08/31/2020 16:25
Changes: 04/18/2017 10:28 (60), 08/31/2020 16:25 (5)
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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