CVE-2017-15718 : Security Advisory and Response

In January 2018, a security vulnerability was discovered in Apache Hadoop versions 2.7.3 and 2.7.4, specifically affecting the YARN NodeManager component. This vulnerability could potentially lead to the exposure of sensitive credentials.

Understanding CVE-2017-15718

Apache Hadoop versions 2.7.3 and 2.7.4 are susceptible to an information disclosure vulnerability in the YARN NodeManager.

What is CVE-2017-15718?

The vulnerability in the YARN NodeManager of Apache Hadoop versions 2.7.3 and 2.7.4 could allow for the leakage of the password for the credential store provider used by the NodeManager in YARN Applications.

The Impact of CVE-2017-15718

The exploitation of this vulnerability could result in unauthorized access to sensitive credentials, potentially leading to further security breaches and data compromise.

Technical Details of CVE-2017-15718

The technical aspects of the CVE-2017-15718 vulnerability are as follows:

Vulnerability Description

The YARN NodeManager in Apache Hadoop versions 2.7.3 and 2.7.4 can inadvertently expose the password for the credential store provider utilized by the NodeManager to YARN Applications.

Affected Systems and Versions

Product: Apache Hadoop
Vendor: Apache Software Foundation
Versions Affected: 2.7.3 to 2.7.4

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to gain access to sensitive credential information, potentially compromising the security of the affected systems.

Mitigation and Prevention

To address CVE-2017-15718, the following steps are recommended:

Immediate Steps to Take

Upgrade to a patched version of Apache Hadoop that addresses the vulnerability.
Monitor and restrict access to sensitive credential information.

Long-Term Security Practices

Implement strong access controls and authentication mechanisms.
Regularly audit and review security configurations to identify and mitigate potential vulnerabilities.

Patching and Updates

Apply security patches and updates provided by Apache Software Foundation to remediate the vulnerability and enhance system security.