CVE-2017-1677 : Vulnerability Insights and Analysis
Learn about CVE-2017-1677 affecting IBM DB2 for Linux, UNIX, and Windows versions 9.7, 10.1, 10.5, and 11.1. Find out the impact, mitigation steps, and prevention measures.
IBM Data Server Driver for JDBC and SQLJ in IBM DB2 for Linux, UNIX, and Windows versions 9.7, 10.1, 10.5, and 11.1 is vulnerable to object injection and potential arbitrary code execution.
Understanding CVE-2017-1677
This CVE involves a deserialization vulnerability in IBM Data Server Driver for JDBC and SQLJ in specific versions of IBM DB2 for Linux, UNIX, and Windows.
What is CVE-2017-1677?
The deserialization process of certain contents in IBM DB2 may lead to object injection and potential execution of arbitrary code, depending on the classpath.
The Impact of CVE-2017-1677
- CVSS Score: 7.4 (High)
- Attack Vector: Local
- Attack Complexity: High
- Privileges Required: None
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
Technical Details of CVE-2017-1677
Vulnerability Description
The vulnerability arises from the deserialization process of contents stored in a specific file, potentially allowing object injection and arbitrary code execution.
Affected Systems and Versions
The following versions of IBM DB2 for Linux, UNIX, and Windows are affected:
- DB2 9.7
- DB2 10.1
- DB2 10.5
- DB2 11.1
Exploitation Mechanism
The vulnerability can be exploited by manipulating the classpath during the deserialization process.
Mitigation and Prevention
Immediate Steps to Take
- Apply the patches provided by IBM to address the vulnerability.
- Monitor IBM's security advisories for any updates or additional guidance.
Long-Term Security Practices
- Regularly update and patch IBM DB2 installations to prevent known vulnerabilities.
- Implement proper access controls and restrict unnecessary privileges.
Patching and Updates
Ensure timely installation of security patches and updates provided by IBM to mitigate the CVE-2017-1677 vulnerability.