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Date: Mon, 7 Jul 2014 14:13:58 -0400 (EDT)
From: larry0@...com (Larry W. Cashdollar)
To: <oss-security@...ts.openwall.com>
Subject: Vulnerability Report for Ruby Gem backup_checksum-3.0.23
Title: Vulnerability Report for Ruby Gem backup_checksum-3.0.23
Author: Larry W. Cashdollar, @_larry0
Date: 06/01/2014
OSVDB: 108569
CVE:Please Assign
Download: http://rubygems.org/gems/backup_checksum
Gem Author: lukasz.kaniowski@...il.com
From: ./backup_checksum-3.0.23/lib/backup/cli/utility.rb
Lines 178 exposes the password to the process table, their is also remote command injection points if this gem is used in the context of a rails application as the user input isn't properly sanitized for #{password}.
0175- base64 = options[:base64] ? -base64 :
176- password = options[:password_file] ? "-pass file:#{options[:password_file]}" :
177- salt = options[:salt] ? -salt :
178: %x[openssl aes-256-cbc -d #{base64} #{password} #{salt} -in #{options[:in]} -out #{options[:out]}]
179- when gpg
180: %x[gpg -o #{options[:out]} -d #{options[:in]}]
181- else
182- puts "Unknown encryptor: #{options[:encryptor]}"
183- puts "Use either openssl or gpg."
--
220- puts "Please wait..\n\n"
222- end
223- end
224-
Advisory: http://www.vapid.dhs.org/advisories/backup_checksum-3.0.23.html
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