SB2017083014 - Information disclosure in Hadoop



SB2017083014 - Information disclosure in Hadoop

Published: August 30, 2017 Updated: August 8, 2020

Security Bulletin ID SB2017083014
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Information disclosure (CVE-ID: CVE-2016-5001)

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.


Remediation

Install update from vendor's website.