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Joined: 12 May 2004
Posts: 2036

PostPosted: Tue Feb 20, 2018 3:26 am    Post subject: [ GLSA 201802-05 ] Ruby Reply with quote

Gentoo Linux Security Advisory

Title: Ruby: Command injection (GLSA 201802-05)
Severity: normal
Exploitable: remote
Date: 2018-02-20
Bug(s): #641090
ID: 201802-05


A vulnerability has been found in Ruby which may allow for
arbitrary command execution.


Ruby is an interpreted object-oriented programming language. The
elaborate standard library includes an HTTP server (“WEBRick”) and a
class for XML parsing (“REXML”).

Affected Packages

Package: dev-lang/ruby
Vulnerable: < 2.2.9
Unaffected: >= 2.2.9
Architectures: All supported architectures


A command injection flaw was discovered in Net::FTP which impacts Ruby.


A remote attacker, by enticing a user to download and open a crafted
file from a malicious FTP server, could execute arbitrary commands with
the privileges of the process.


There is no known workaround at this time.


All Ruby users should upgrade to the latest version:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=dev-lang/ruby-2.2.9:2.2"


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