VDB-100677 · CVE-2017-2115 · BID 97717

Cybozu Office up to 10.5.0 access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability has been found in Cybozu Office up to 10.5.0 and classified as problematic. Impacted is an unknown function. Performing a manipulation results in access control. This vulnerability is reported as CVE-2017-2115. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Cybozu Office up to 10.5.0 (Office Suite Software). This affects an unknown part. 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. The summary by CVE is:

Cybozu Office 10.0.0 to 10.5.0 allows remote authenticated attackers to bypass access restriction to obtain "customapp" information via unspecified vectors.

The bug was discovered 04/11/2017. The weakness was disclosed 04/28/2017 (Website). The advisory is shared at jvn.jp. This vulnerability is uniquely identified as CVE-2017-2115 since 12/01/2016. It is possible to initiate the attack remotely. A authentication is necessary for exploitation. It demands that the victim is doing some kind of user interaction. 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 17 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 97717†). The entries VDB-100676 and VDB-100678 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.9
VulDB Meta Temp Score: 3.9

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
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 Office Multiple Security Vulnerabilities
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 🔍
04/11/2017 +131 days 🔍
04/18/2017 +7 days 🔍
04/28/2017 +10 days 🔍
04/28/2017 +0 days 🔍
04/28/2017 +0 days 🔍
12/22/2020 +1334 days 🔍

Sourcesinfo

Vendor: cybozu-global.com

Advisory: jvn.jp
Researcher: Cybozu, Kazuto Sagamihara.
Status: Not defined

CVE: CVE-2017-2115 (🔍)
GCVE (CVE): GCVE-0-2017-2115
GCVE (VulDB): GCVE-100-100677
SecurityFocus: 97717 - Cybozu Office Multiple Security Vulnerabilities
OSVDB: - CVE-2017-2115 - Cybozu Office - Security Bypass Issue

See also: 🔍

Entryinfo

Created: 04/28/2017 23:49
Updated: 12/22/2020 07:09
Changes: 04/28/2017 23:49 (64), 09/22/2020 08:03 (4), 12/22/2020 07:09 (3)
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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