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Ruby Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection) Vulnerability - CVE-2017-17790 - Vulnerability Database
Ruby

Ruby Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection) Vulnerability - CVE-2017-17790

Critical
Reference: CVE-2017-17790
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2017-17790
Title: Ruby Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection) Vulnerability
Overview:

The lazy_initialize function in lib/resolv.rb in Ruby through 2.4.3 uses Kernelopen which might allow Command Injection attacks as demonstrated by a Resolv::Hosts::new argument beginning with a 3939 character a different vulnerability than CVE-2017-17405. NOTE: situations with untrusted input may be highly unlikely.