CVE Watchtower


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CVE-2013-0156NVD

Vulnerability Summary

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.
Severity Level
UNKNOWN
Published Date
Jan 13, 2013
Last Modified
Apr 29, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
91.91%Probability
Root Weakness (CWE)
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required.

External References