Object Injection and Denial of Service Vulnerability in multi_xml Gem

CVE-2013-0175 · HIGH Severity

AV:N/AC:L/AU:N/C:P/I:P/A:P

multi_xml gem 0.5.2 for Ruby, as used in Grape before 0.2.6 and possibly other products, 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 support for (1) YAML type conversion or (2) Symbol type conversion, a similar vulnerability to CVE-2013-0156.

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