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Date: Thu, 30 Jan 2014 13:22:26 -0500
From: "Larry W. Cashdollar" <larry0@...com>
To: oss-security@...ts.openwall.com
Subject: echor 0.1.6 Ruby Gem exposes login credentials
Title: echor 0.1.6 Ruby Gem exposes login credentials
Date: 1/14/2014
CVE: Please assign one.
Author: Larry W. Cashdollar, @_larry0
Download: http://rubygems.org/gems/echor
Description: Echo ruby wrapper
Vulnerability
in file echor-0.1.6/lib/echor/backplane.rb:
The function perform_request passes sensitive data to the shell and unsanitized user input, if this gem is used in a rails application a user could get remote command injection simply by putting a semi-colon in their username or password. At a minimum a local user can steal the login credentials just by watching the process table on the system.
45 def perform_request(data)
46 JSON.parse(`curl -u
{Echo.backplane_user}:
{Echo.backplane_password} --data-binary '#{data}' #{@...nnel}`)
47 end
Vendor: Not notified, I don't think this Gem is maintained anymore.
Advisory: http://www.vapid.dhs.org/advisories/echor-expose-login-creds.html
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