|Bugzilla:||894383: CVE-2013-0175 rubygem-multi_xml: Security flaw in Symbol and YAML parameters parsing|
The MITRE CVE dictionary describes this issue as:
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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