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Exposure of Sensitive Information to an Unauthorized Actor

CVE-2016-5001

Severity Medium
Score 5.5/10

Summary

This is an Information Disclosure vulnerability in Apache Hadoop prior to 2.6.4 and 2.7.x prior to 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.

  • LOW
  • LOCAL
  • NONE
  • UNCHANGED
  • NONE
  • LOW
  • HIGH
  • NONE

CWE-200 - Information Exposure

An information exposure vulnerability is categorized as an information flow (IF) weakness, which can potentially allow unauthorized access to otherwise classified information in the application, such as confidential personal information (demographics, financials, health records, etc.), business secrets, and the application's internal environment.

Advisory Timeline

  • Published