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osvGoogleOSV:GHSA-PCHC-949F-53M5
HistoryOct 24, 2017 - 6:33 p.m.

Improper Input Validation in multi_xml

2017-10-2418:33:37
Google
osv.dev
26

0.973 High

EPSS

Percentile

99.9%

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.