Information disclosure in Hadoop - CVE-2016-5001
Published: August 30, 2017 / Updated: August 8, 2020
Hadoop
Detailed vulnerability description
The vulnerability allows a local authenticated user to gain access to sensitive information.
This is an information disclosure vulnerability in Apache Hadoop before 2.6.4 and 2.7.x before 2.7.2 in the short-circuit reads feature of HDFS. A local user on an HDFS DataNode may be able to craft a block token that grants unauthorized read access to random files by guessing certain fields in the token.