Cybozu Remote Service up to 3.1.8 Java path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.0$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Cybozu Remote Service up to 3.1.8. The affected element is an unknown function. Such manipulation leads to path traversal (Java). This vulnerability is uniquely identified as CVE-2018-16171. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cybozu Remote Service up to 3.1.8. Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a path traversal vulnerability (Java). 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, integrity, and availability. CVE summarizes:

Directory traversal vulnerability in Cybozu Remote Service 3.0.0 to 3.1.8 allows remote attackers to execute Java code file on the server via unspecified vectors.

The bug was discovered 12/10/2018. The weakness was disclosed 01/09/2019 (Website). The advisory is available at jvn.jp. This vulnerability is handled as CVE-2018-16171 since 08/30/2018. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 30 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 entries VDB-128880, VDB-128881 and VDB-128883 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

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

NVD Base Score: 8.8
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

Name: Java
Class: Path traversal / Java
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/30/2018 🔍
12/10/2018 +102 days 🔍
01/09/2019 +30 days 🔍
01/09/2019 +0 days 🔍
01/10/2019 +1 days 🔍
04/27/2020 +473 days 🔍

Sourcesinfo

Vendor: cybozu-global.com

Advisory: jvn.jp
Status: Not defined

CVE: CVE-2018-16171 (🔍)
GCVE (CVE): GCVE-0-2018-16171
GCVE (VulDB): GCVE-100-128882
See also: 🔍

Entryinfo

Created: 01/10/2019 13:51
Updated: 04/27/2020 16:11
Changes: 01/10/2019 13:51 (57), 04/27/2020 16:11 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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