CVE-2018-1515 : What You Need to Know

IBM DB2 for Linux, UNIX, and Windows versions 10.5 and 11.1 may have a vulnerability that allows a local user to overflow a buffer, potentially leading to privilege escalation.

Understanding CVE-2018-1515

IBM DB2 for Linux, UNIX, and Windows versions 10.5 and 11.1 are susceptible to a buffer overflow vulnerability that could be exploited by a local user.

What is CVE-2018-1515?

Under certain circumstances, IBM DB2 for Linux, UNIX, and Windows versions 10.5 and 11.1 may have a vulnerability that enables a local user to overflow a buffer. Exploiting this vulnerability can potentially lead to a privilege escalation, granting the attacker the privileges of the DB2 instance owner.

The Impact of CVE-2018-1515

CVSS Base Score: 7.4 (High)
CVSS Vector: CVSS:3.0/A:H/AC:H/AV:L/C:H/I:H/PR:N/S:U/UI:N/E:U/RC:C/RL:O
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High
Privileges Required: None
Exploit Code Maturity: Unproven
Remediation Level: Official Fix
Report Confidence: Confirmed
Temporal Score: 6.4 (Medium)
Attack Vector: Local
Attack Complexity: High
User Interaction: None

Technical Details of CVE-2018-1515

IBM DB2 for Linux, UNIX, and Windows versions 10.5 and 11.1 are affected by the following:

Vulnerability Description

Under specific conditions, a local user could overflow a buffer, potentially leading to privilege escalation.

Affected Systems and Versions

Affected Product: DB2 for Linux, UNIX, and Windows
Vendor: IBM
Affected Versions: 10.5, 11.1

Exploitation Mechanism

The vulnerability allows a local user to overflow a buffer, potentially resulting in privilege escalation to the DB2 instance owner.

Mitigation and Prevention

To address CVE-2018-1515, consider the following steps:

Immediate Steps to Take

Apply official fixes provided by IBM.
Monitor IBM's security advisories for updates.

Long-Term Security Practices

Regularly update and patch IBM DB2 installations.
Implement the principle of least privilege to restrict user access.
Conduct regular security assessments and audits.

Patching and Updates

Ensure timely application of security patches and updates for IBM DB2 installations.