CVE-2017-2090 : What You Need to Know

Cybozu Garoon versions 3.0.0 to 4.2.3 are affected by a directory traversal vulnerability that allows remote authenticated attackers to read arbitrary files.

Understanding CVE-2017-2090

This CVE involves a security issue in Cybozu Garoon versions 3.0.0 to 4.2.3, potentially enabling attackers to access unauthorized files.

What is CVE-2017-2090?

CVE-2017-2090 is a directory traversal vulnerability in Cybozu Garoon versions 3.0.0 to 4.2.3, which permits authenticated remote attackers to read arbitrary files through unspecified vectors.

The Impact of CVE-2017-2090

The vulnerability allows attackers to bypass security restrictions and access sensitive files, potentially leading to unauthorized disclosure of information.

Technical Details of CVE-2017-2090

Cybozu Garoon's vulnerability can be further understood through the following technical details:

Vulnerability Description

The flaw in versions 3.0.0 to 4.2.3 enables attackers to perform directory traversal attacks, gaining access to files beyond the intended directory.

Affected Systems and Versions

Product: Cybozu Garoon
Vendor: Cybozu, Inc.
Versions Affected: 3.0.0 to 4.2.3

Exploitation Mechanism

Attackers who are authenticated remotely can exploit this vulnerability to read arbitrary files using unspecified methods.

Mitigation and Prevention

To address CVE-2017-2090 and enhance security measures, consider the following steps:

Immediate Steps to Take

Update Cybozu Garoon to a patched version that addresses the directory traversal vulnerability.
Monitor system logs for any suspicious activities indicating unauthorized file access.

Long-Term Security Practices

Implement access controls and restrictions to limit file access based on user privileges.
Conduct regular security audits and penetration testing to identify and remediate vulnerabilities.

Patching and Updates

Regularly apply security patches and updates provided by Cybozu, Inc. to mitigate known vulnerabilities and enhance system security.