CVE-2017-3273 : Security Advisory and Response
Learn about CVE-2017-3273 affecting Oracle MySQL Server versions 5.6.34 and earlier, allowing attackers to compromise the server, potentially leading to a denial of service. Find mitigation steps and prevention measures here.
Oracle MySQL Server component has a vulnerability affecting versions 5.6.34 and earlier, as well as 5.7.16 and earlier. This vulnerability allows a low privileged attacker to compromise the server, potentially leading to a denial of service.
Understanding CVE-2017-3273
The Oracle MySQL Server component, specifically the Server: DDL subcomponent, has a vulnerability that impacts versions 5.6.34 and earlier, and 5.7.16 and earlier.
What is CVE-2017-3273?
This vulnerability in MySQL Server allows a low privileged attacker with network access through multiple protocols to compromise the server. Successful exploitation can result in unauthorized actions causing the server to hang or crash, leading to a denial of service.
The Impact of CVE-2017-3273
- CVSS v3.0 Base Score: 6.5 (Availability impacts)
- Allows attackers to compromise MySQL Server
- Can lead to repeated server hangs or crashes
- Results in a complete denial of service
Technical Details of CVE-2017-3273
The technical details of the CVE-2017-3273 vulnerability are as follows:
Vulnerability Description
The vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: DDL) affects versions 5.6.34 and earlier, as well as 5.7.16 and earlier. It is easily exploitable by a low privileged attacker with network access.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle
- Versions Affected: 5.6.34 and earlier, 5.7.16 and earlier
Exploitation Mechanism
The vulnerability allows a low privileged attacker with network access via multiple protocols to compromise the MySQL Server. Successful attacks can lead to unauthorized actions causing the server to hang or crash, resulting in a denial of service.
Mitigation and Prevention
Steps to mitigate and prevent the CVE-2017-3273 vulnerability:
Immediate Steps to Take
- Apply vendor patches and updates
- Monitor network traffic for any suspicious activity
- Restrict network access to the MySQL Server
Long-Term Security Practices
- Regularly update and patch MySQL Server
- Implement network segmentation to limit access
- Conduct regular security audits and assessments
Patching and Updates
- Keep MySQL Server up to date with the latest security patches
- Follow vendor recommendations for secure configuration and best practices