CVE-2017-2663 : Security Advisory and Response
Learn about CVE-2017-2663, a vulnerability in Red Hat's subscription-manager software allowing unauthorized access to sensitive data. Find mitigation steps here.
A vulnerability in the DBus interface of subscription-manager, prior to version 1.19.4, allows unauthorized access to specific methods, potentially leading to information disclosure or privilege escalation.
Understanding CVE-2017-2663
This CVE involves a security issue in Red Hat's subscription-manager software that could be exploited by local attackers.
What is CVE-2017-2663?
The vulnerability in the DBus interface of subscription-manager, before version 1.19.4, enables unprivileged users to access certain methods, posing a risk of unauthorized information retrieval or privilege escalation attacks.
The Impact of CVE-2017-2663
The vulnerability's high severity rating stems from its potential to compromise confidentiality, integrity, and availability of affected systems, particularly in local attack scenarios.
Technical Details of CVE-2017-2663
This section delves into the specifics of the vulnerability.
Vulnerability Description
The flaw in subscription-manager's DBus interface allows unprivileged local attackers to exploit specific methods, potentially leading to unauthorized access to sensitive data or privilege escalation.
Affected Systems and Versions
- Product: subscription-manager
- Vendor: Red Hat
- Vulnerable Version: 1.19.4
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Local
- Privileges Required: Low
- User Interaction: Required
- Scope: Changed
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
Mitigation and Prevention
To address CVE-2017-2663, follow these mitigation strategies.
Immediate Steps to Take
- Update subscription-manager to version 1.19.4 or later to mitigate the vulnerability.
- Restrict access to vulnerable systems to trusted users only.
Long-Term Security Practices
- Regularly monitor and audit DBus interface access on systems.
- Implement the principle of least privilege to limit user capabilities.
Patching and Updates
- Apply security patches promptly to address known vulnerabilities and enhance system security.