CVE-2017-3636 Explained : Impact and Mitigation

Oracle MySQL Server, specifically its Client programs, has a vulnerability affecting versions 5.5.56 and earlier, as well as 5.6.36 and earlier. This vulnerability can be exploited by a low privileged attacker, compromising the server's security.

Understanding CVE-2017-3636

This CVE identifies a vulnerability in Oracle MySQL Server's Client programs, impacting versions 5.5.56 and earlier, and 5.6.36 and earlier.

What is CVE-2017-3636?

The vulnerability in Oracle MySQL Server allows unauthorized manipulation of data, including updates, inserts, and deletions. It also grants unauthorized read access to server data and can cause a partial denial of service.

The Impact of CVE-2017-3636

The vulnerability has a CVSS 3.0 Base Score of 5.3, affecting confidentiality, integrity, and availability of the MySQL Server.

Technical Details of CVE-2017-3636

The technical aspects of the CVE.

Vulnerability Description

Low privileged attackers can compromise the MySQL Server by exploiting this vulnerability.
Unauthorized access to data, including updates, inserts, and deletions, is possible.
Unauthorized read access to a subset of data and potential partial denial of service.

Affected Systems and Versions

Product: MySQL Server
Vendor: Oracle Corporation
Versions: 5.5.56 and earlier, 5.6.36 and earlier

Exploitation Mechanism

Attackers with access to the server infrastructure can exploit the vulnerability.
Successful attacks may result in unauthorized data manipulation and partial denial of service.

Mitigation and Prevention

Steps to address and prevent the vulnerability.

Immediate Steps to Take

Apply security patches provided by Oracle.
Restrict access to the MySQL Server to trusted users only.
Monitor server logs for any suspicious activities.

Long-Term Security Practices

Regularly update and patch the MySQL Server software.
Implement strong authentication mechanisms for server access.
Conduct regular security audits and assessments.

Patching and Updates

Stay informed about security advisories from Oracle.
Promptly apply any security updates or patches released by the vendor.