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CVE-2016-2339

Disclosure Date: January 06, 2017
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Description

An exploitable heap overflow vulnerability exists in the Fiddle::Function.new “initialize” function functionality of Ruby. In Fiddle::Function.new “initialize” heap buffer “arg_types” allocation is made based on args array length. Specially constructed object passed as element of args array can increase this array size after mentioned allocation and cause heap overflow.

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CVSS V3 Severity and Metrics
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Integrity (I):
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Availability (A):
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General Information

Vendors

  • ruby-lang

Products

  • ruby 2.2.2,
  • ruby 2.3.0

Additional Info

Technical Analysis