Date: Tue, 10 Jan 2017 10:44:23 +0900 From: Akira Ajisaka <aajisaka@...che.org> To: oss-security@...ts.openwall.com Subject: [SECURITY] CVE-2016-3086: Apache Hadoop YARN NodeManager vulnerability CVE-2016-3086: Apache Hadoop YARN NodeManager vulnerability Severity: Important Vendor: The Apache Software Foundation Versions Affected: Hadoop 2.6.0, 2.6.1, 2.6.2, 2.6.3, 2.6.4 Hadoop 2.7.0, 2.7.1, 2.7.2 Description: The YARN NodeManager in Apache Hadoop 2.6.x before 2.6.5 and 2.7.x before 2.7.3 can leak the password for credential store provider used by the NodeManager to YARN Applications. If you use the CredentialProvider feature to encrypt passwords used in NodeManager configs, it may be possible for any Container launched by that NodeManager to gain access to the encryption password. The other passwords themselves are not directly exposed. Mitigation: 2.7.x users should upgrade to 2.7.3. 2.6.x users should upgrade to 2.6.5 If you cannot upgrade to the latest version, set the permission of the jceks file appropriately to restrict access from unauthorized users. Credit: This issue was discovered by Robert Kanter.
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