CVE-2017-15708 : Security Advisory and Response

Apache Synapse versions 3.0.1 and earlier are vulnerable to remote code execution attacks due to a lack of authentication for Java RMI. This CVE allows for the injection of specially crafted serialized objects, potentially leading to unauthorized code execution.

Understanding CVE-2017-15708

Apache Synapse is susceptible to a Remote Code Execution Vulnerability, allowing malicious actors to exploit the software through the injection of manipulated serialized objects.

What is CVE-2017-15708?

By default, Apache Synapse does not require authentication for Java RMI, making versions 3.0.1 and earlier vulnerable to remote code execution attacks through specially crafted serialized objects.

The Impact of CVE-2017-15708

The vulnerability in Apache Synapse can result in unauthorized remote code execution, posing a significant security risk to affected systems.

Technical Details of CVE-2017-15708

Apache Synapse's vulnerability to remote code execution can have severe consequences if exploited by threat actors.

Vulnerability Description

The lack of authentication for Java RMI in Apache Synapse versions 3.0.1 and earlier allows for the injection of manipulated serialized objects, enabling remote code execution.

Affected Systems and Versions

Product: Apache Synapse
Vendor: Apache Software Foundation
Vulnerable Versions: 3.0.0, 2.1.0, 2.0.0, 1.2, 1.1.2, 1.1.1

Exploitation Mechanism

Attackers inject specially crafted serialized objects to exploit the vulnerability.
Presence of Apache Commons Collections 3.2.1 or earlier versions in the Synapse distribution exacerbates the exploit.

Mitigation and Prevention

It is crucial to take immediate action to mitigate the risks associated with CVE-2017-15708.

Immediate Steps to Take

Restrict RMI access to trusted users only.
Upgrade Apache Synapse to version 3.0.1 to eliminate the risk associated with the vulnerable Commons Collection version.

Long-Term Security Practices

Regularly monitor and update software dependencies.
Implement strong authentication mechanisms to prevent unauthorized access.

Patching and Updates

Ensure timely installation of security patches and updates to address known vulnerabilities.