CVE-2017-7630 : What You Need to Know

Remote attackers can exploit QNAP QTS versions 4.2.6 build 20171026, and 4.3.3 build 20170727, as well as earlier versions, to retrieve possibly sensitive data through a specific CGI request.

Understanding CVE-2017-7630

This CVE involves a vulnerability in QNAP QTS that allows unauthorized access to firmware version details and running services information.

What is CVE-2017-7630?

Remote attackers can exploit QNAP QTS versions 4.2.6 build 20171026, and 4.3.3 build 20170727, as well as earlier versions, to retrieve possibly sensitive data. This is done through the submission of a request to sysinfoReq.cgi, which allows access to firmware version details and running services information.

The Impact of CVE-2017-7630

This vulnerability can lead to unauthorized access to sensitive information stored on QNAP QTS systems, potentially compromising the security and confidentiality of data.

Technical Details of CVE-2017-7630

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The vulnerability in QNAP QTS versions 4.2.6 build 20171026, and 4.3.3 build 20170727, and earlier versions allows remote attackers to obtain potentially sensitive information, including firmware version and running services, by sending a request to sysinfoReq.cgi.

Affected Systems and Versions

QNAP QTS versions 4.2.6 build 20171026
QNAP QTS versions 4.3.3 build 20170727
Earlier versions of QNAP QTS

Exploitation Mechanism

Attackers exploit this vulnerability by submitting a request to sysinfoReq.cgi, which grants them unauthorized access to firmware version details and running services information.

Mitigation and Prevention

Protecting systems from CVE-2017-7630 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by QNAP for the affected QTS versions.
Monitor network traffic for any suspicious activity targeting sysinfoReq.cgi.
Restrict access to sysinfoReq.cgi to authorized users only.

Long-Term Security Practices

Regularly update QNAP QTS to the latest version to ensure all security patches are applied.
Implement network segmentation to limit the exposure of critical systems to potential attacks.

Patching and Updates

QNAP has released security advisories addressing CVE-2017-7630. Ensure timely application of these patches to mitigate the vulnerability.