description: 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.
problem types: Information Disclosure
affected:
{
product: Apache Hadoop
vendor: Apache Software Foundation
versions:
status: affected, version: 2.1.0 to 2.6.3
status: affected, version: 2.7.0 to 2.7.1
}