CVE-2016-5001: Infoleak
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2016-5001?
CVE-2016-5001 has been classified as a medium severity vulnerability.
How do I fix CVE-2016-5001?
To fix CVE-2016-5001, update Apache Hadoop to version 2.6.4 or 2.7.2 or later.
What causes the vulnerability CVE-2016-5001?
CVE-2016-5001 is caused by improper handling of short-circuit reads in Hadoop's HDFS, allowing unauthorized access.
Who is affected by CVE-2016-5001?
CVE-2016-5001 affects local users on an HDFS DataNode running vulnerable versions of Apache Hadoop.
What are the affected versions in CVE-2016-5001?
CVE-2016-5001 affects Apache Hadoop versions 2.6.3 and earlier, as well as 2.7.0 and 2.7.1.