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Apache Hadoop DataNode Missed Validation

Apache Hadoop DataNode Missed Validation
Posted Apr 26, 2017
Authored by Sunil Yadav

HDFS clients interact with a servlet on the DataNode to browse the HDFS namespace. The NameNode is provided as a query parameter that is not validated. Apache Hadoop versions 2.6.x and earlier are affected.

tags | advisory
advisories | CVE-2017-3162
MD5 | 669dccbc616f846fb3c469d4fda3b463

Apache Hadoop DataNode Missed Validation

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CVE-2017-3162: Apache Hadoop DataNode web UI vulnerability

Severity: Important

Vendor: The Apache Software Foundation

Versions affected: Hadoop 2.6.x and earlier

Description:
HDFS clients interact with a servlet on the DataNode to browse the
HDFS namespace. The NameNode is provided as a query parameter that is
not validated.

Mitigation:
Users of Apache Hadoop 2.6.x and earlier should upgrade to Hadoop
2.7.0 or later.

Credit:
This issue was discovered by Sunil Yadav.
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