CVE-2017-3166

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-11-13 · updated 2026-06-17
Weakness: CWE-732

Description

In Apache Hadoop versions 2.6.1 to 2.6.5, 2.7.0 to 2.7.3, and 3.0.0-alpha1, if a file in an encryption zone with access permissions that make it world readable is localized via YARN's localization mechanism, that file will be stored in a world-readable location and can be shared freely with any application that requests to localize that file.

Affected products

Apache Software Foundation Apache Hadoop: 2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.6.5, 2.7.0 (+4)

References

https://lists.apache.org/thread.html/2e16689b44bdd1976b6368c143a4017fc7159d1f2d02a5d54fe9310f%40%3Cgeneral.hadoop.apache.org%3E
https://lists.apache.org/thread.html/9317fd092b257a0815434b116a8af8daea6e920b6673f4fd5583d5fe%40%3Ccommits.druid.apache.org%3E
https://lists.apache.org/thread.html/2e16689b44bdd1976b6368c143a4017fc7159d1f2d02a5d54fe9310f%40%3Cgeneral.hadoop.apache.org%3E
https://lists.apache.org/thread.html/9317fd092b257a0815434b116a8af8daea6e920b6673f4fd5583d5fe%40%3Ccommits.druid.apache.org%3E

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