Ruby On Rails XML Processor YAML Deserialization Code Execution Vulnerability

  Severity: HIGH

  DESCRIPTION

active_support/core_ext/hash/conversions.rb in Ruby on Rails before 2.3.15, 3.0.x before 3.0.19, 3.1.x before 3.1.10, and 3.2.x before 3.2.11 does not properly restrict casts of string values, which allows remote attackers to conduct object-injection attacks and execute arbitrary code, or cause a denial of service (memory and CPU consumption) involving nested XML entity references, by leveraging Action Pack support for (1) YAML type conversion or (2) Symbol type conversion.

  TREND MICRO PROTECTION INFORMATION

Apply associated Trend Micro DPI Rules.

  SOLUTION

  Trend Micro Deep Security DPI Rule Number: 1005332

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