CVE-2017-3623 : Security Advisory and Response

A security vulnerability known as "Ebbisland" in the Kernel RPC subcomponent of the Solaris Operating System by Oracle Corporation can lead to a complete takeover of Solaris.

Understanding CVE-2017-3623

This CVE identifier was published on April 24, 2017, with a CVSS 3.0 Base Score of 10.0, indicating severe impacts on confidentiality, integrity, and availability.

What is CVE-2017-3623?

The vulnerability allows an unauthenticated attacker with network access through multiple protocols to compromise Solaris, potentially affecting other products as well. Successful exploitation could result in a complete takeover of Solaris.

The Impact of CVE-2017-3623

The vulnerability, if exploited, can lead to a complete takeover of Solaris, posing risks to confidentiality, integrity, and availability.
Solaris 10 systems with specific patch installations or updates are not affected, while Solaris 11 remains unaffected.

Technical Details of CVE-2017-3623

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability exists in the Kernel RPC subcomponent of the Solaris Operating System, allowing unauthorized attackers to compromise the system.

Affected Systems and Versions

Product: Solaris Operating System
Vendor: Oracle Corporation
Affected Versions: None

Exploitation Mechanism

Unauthenticated attackers with network access through multiple protocols can exploit the vulnerability to compromise Solaris.

Mitigation and Prevention

Protecting systems from CVE-2017-3623 requires immediate actions and long-term security practices.

Immediate Steps to Take

Ensure Solaris 10 systems have the necessary Kernel patches installed after January 26, 2012, or updated via patching tools to prevent vulnerability exploitation.
Solaris 10 systems with Solaris 10 1/13 (Update 11) are not vulnerable.

Long-Term Security Practices

Regularly monitor and apply security patches to all Solaris systems to mitigate potential risks.

Patching and Updates

Stay informed about security advisories and updates from Oracle Corporation to address vulnerabilities promptly.