VDB-102167 · CVE-2016-7802 · BID 94967

Cybozu Garoon up to 3.x/4.2.2 path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Cybozu Garoon up to 3.x/4.2.2. Affected is an unknown function. The manipulation leads to path traversal. This vulnerability is uniquely identified as CVE-2016-7802. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Cybozu Garoon up to 3.x/4.2.2 (Groupware Software). It has been rated as problematic. This issue affects some unknown functionality. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality. The summary by CVE is:

Directory traversal vulnerability in Cybozu Garoon 3.0.0 to 4.2.2 allows remote authenticated attackers to read arbitrary files via unspecified vectors.

The bug was discovered 12/19/2016. The weakness was disclosed 06/09/2017 with Cybozu, Inc. (Website). It is possible to read the advisory at jvn.jp. The identification of this vulnerability is CVE-2016-7802 since 09/09/2016. The exploitation is known to be easy. The attack may be initiated remotely. A simple authentication is required for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

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 94967†). The entries VDB-102168, VDB-102166, VDB-102165 and VDB-102164 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
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: Path traversal
CWE: CWE-22
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

09/09/2016 🔍
12/19/2016 +101 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: Cybozu, Inc.
Organization: Cybozu, Inc.
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-7802 (🔍)
GCVE (CVE): GCVE-0-2016-7802
GCVE (VulDB): GCVE-100-102167
SecurityFocus: 94967 - Cybozu Garoon CVE-2016-7802 Directory Traversal Vulnerability

See also: 🔍

Entryinfo

Created: 06/10/2017 08:48
Updated: 12/26/2020 18:16
Changes: 06/10/2017 08:48 (65), 10/15/2019 16:35 (4), 12/26/2020 18:16 (2)
Complete: 🔍
Cache ID: 216::103

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