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Old 12-06-2011, 02:37 PM
 
Default Low: ruby security, bug fix, and enhancement update

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================================================== ===================
Red Hat Security Advisory

Synopsis: Low: ruby security, bug fix, and enhancement update
Advisory ID: RHSA-2011:1581-03
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2011-1581.html
Issue date: 2011-12-06
CVE Names: CVE-2011-2705 CVE-2011-3009
================================================== ===================

1. Summary:

Updated ruby packages that fix two security issues, various bugs, and add
one enhancement are now available for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having low
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64

3. Description:

Ruby is an extensible, interpreted, object-oriented, scripting language. It
has features to process text files and to do system management tasks.

It was found that Ruby did not reinitialize the PRNG (pseudorandom number
generator) after forking a child process. This could eventually lead to the
PRNG returning the same result twice. An attacker keeping track of the
values returned by one child process could use this flaw to predict the
values the PRNG would return in other child processes (as long as the
parent process persisted). (CVE-2011-3009)

A flaw was found in the Ruby SecureRandom module. When using the
SecureRandom.random_bytes class, the PRNG state was not modified after
forking a child process. This could eventually lead to
SecureRandom.random_bytes returning the same string more than once. An
attacker keeping track of the strings returned by one child process could
use this flaw to predict the strings SecureRandom.random_bytes would return
in other child processes (as long as the parent process persisted).
(CVE-2011-2705)

This update also fixes the following bugs:

* The ruby package has been upgraded to upstream point release 1.8.7-p352,
which provides a number of bug fixes over the previous version. (BZ#706332)

* The MD5 message-digest algorithm is not a FIPS-approved algorithm.
Consequently, when a Ruby script attempted to calculate an MD5 checksum in
FIPS mode, the interpreter terminated unexpectedly. This bug has been fixed
and an exception is now raised in the described scenario. (BZ#717709)

* Due to inappropriately handled line continuations in the mkconfig.rb
source file, an attempt to build the ruby package resulted in unexpected
termination. An upstream patch has been applied to address this issue and
the ruby package can now be built properly. (BZ#730287)

* When the 32-bit ruby-libs library was installed on a 64-bit machine, the
mkmf library failed to load various modules necessary for building
Ruby-related packages. This bug has been fixed and mkmf now works properly
in the described scenario. (BZ#674787)

* Previously, the load paths for scripts and binary modules were duplicated
on the i386 architecture. Consequently, an ActiveSupport test failed. With
this update, the load paths are no longer stored in duplicates on the i386
architecture. (BZ#722887)

This update also adds the following enhancement:

* With this update, SystemTap probes have been added to the ruby package.
(BZ#673162)

All users of ruby are advised to upgrade to these updated packages, which
resolve these issues and add this enhancement.

4. Solution:

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/kb/docs/DOC-11259

5. Bugs fixed (http://bugzilla.redhat.com/):

673162 - RFE: add systemtap static probes to Ruby
674787 - multilib breaks mkmf.rb
706332 - Update Ruby to the latest point release
717709 - MD5 makes ruby interpreter crash in FIPS mode
722415 - CVE-2011-2686 CVE-2011-2705 CVE-2011-3009 ruby: Properly initialize the random number generator when forking new process
722887 - Load paths duplicated for i386 =>ActiveSupport build fails on i386
730287 - It's not possible to build ruby package

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/ruby-1.8.7.352-3.el6.src.rpm

i386:
ruby-1.8.7.352-3.el6.i686.rpm
ruby-debuginfo-1.8.7.352-3.el6.i686.rpm
ruby-irb-1.8.7.352-3.el6.i686.rpm
ruby-libs-1.8.7.352-3.el6.i686.rpm

x86_64:
ruby-1.8.7.352-3.el6.x86_64.rpm
ruby-debuginfo-1.8.7.352-3.el6.i686.rpm
ruby-debuginfo-1.8.7.352-3.el6.x86_64.rpm
ruby-irb-1.8.7.352-3.el6.x86_64.rpm
ruby-libs-1.8.7.352-3.el6.i686.rpm
ruby-libs-1.8.7.352-3.el6.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/ruby-1.8.7.352-3.el6.src.rpm

i386:
ruby-debuginfo-1.8.7.352-3.el6.i686.rpm
ruby-devel-1.8.7.352-3.el6.i686.rpm
ruby-docs-1.8.7.352-3.el6.i686.rpm
ruby-rdoc-1.8.7.352-3.el6.i686.rpm
ruby-ri-1.8.7.352-3.el6.i686.rpm
ruby-static-1.8.7.352-3.el6.i686.rpm
ruby-tcltk-1.8.7.352-3.el6.i686.rpm

x86_64:
ruby-debuginfo-1.8.7.352-3.el6.i686.rpm
ruby-debuginfo-1.8.7.352-3.el6.x86_64.rpm
ruby-devel-1.8.7.352-3.el6.i686.rpm
ruby-devel-1.8.7.352-3.el6.x86_64.rpm
ruby-docs-1.8.7.352-3.el6.x86_64.rpm
ruby-rdoc-1.8.7.352-3.el6.x86_64.rpm
ruby-ri-1.8.7.352-3.el6.x86_64.rpm
ruby-static-1.8.7.352-3.el6.x86_64.rpm
ruby-tcltk-1.8.7.352-3.el6.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/ruby-1.8.7.352-3.el6.src.rpm

x86_64:
ruby-1.8.7.352-3.el6.x86_64.rpm
ruby-debuginfo-1.8.7.352-3.el6.i686.rpm
ruby-debuginfo-1.8.7.352-3.el6.x86_64.rpm
ruby-irb-1.8.7.352-3.el6.x86_64.rpm
ruby-libs-1.8.7.352-3.el6.i686.rpm
ruby-libs-1.8.7.352-3.el6.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/ruby-1.8.7.352-3.el6.src.rpm

x86_64:
ruby-debuginfo-1.8.7.352-3.el6.i686.rpm
ruby-debuginfo-1.8.7.352-3.el6.x86_64.rpm
ruby-devel-1.8.7.352-3.el6.i686.rpm
ruby-devel-1.8.7.352-3.el6.x86_64.rpm
ruby-docs-1.8.7.352-3.el6.x86_64.rpm
ruby-rdoc-1.8.7.352-3.el6.x86_64.rpm
ruby-ri-1.8.7.352-3.el6.x86_64.rpm
ruby-static-1.8.7.352-3.el6.x86_64.rpm
ruby-tcltk-1.8.7.352-3.el6.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/ruby-1.8.7.352-3.el6.src.rpm

i386:
ruby-1.8.7.352-3.el6.i686.rpm
ruby-debuginfo-1.8.7.352-3.el6.i686.rpm
ruby-irb-1.8.7.352-3.el6.i686.rpm
ruby-libs-1.8.7.352-3.el6.i686.rpm

ppc64:
ruby-1.8.7.352-3.el6.ppc64.rpm
ruby-debuginfo-1.8.7.352-3.el6.ppc.rpm
ruby-debuginfo-1.8.7.352-3.el6.ppc64.rpm
ruby-irb-1.8.7.352-3.el6.ppc64.rpm
ruby-libs-1.8.7.352-3.el6.ppc.rpm
ruby-libs-1.8.7.352-3.el6.ppc64.rpm

s390x:
ruby-1.8.7.352-3.el6.s390x.rpm
ruby-debuginfo-1.8.7.352-3.el6.s390.rpm
ruby-debuginfo-1.8.7.352-3.el6.s390x.rpm
ruby-irb-1.8.7.352-3.el6.s390x.rpm
ruby-libs-1.8.7.352-3.el6.s390.rpm
ruby-libs-1.8.7.352-3.el6.s390x.rpm

x86_64:
ruby-1.8.7.352-3.el6.x86_64.rpm
ruby-debuginfo-1.8.7.352-3.el6.i686.rpm
ruby-debuginfo-1.8.7.352-3.el6.x86_64.rpm
ruby-irb-1.8.7.352-3.el6.x86_64.rpm
ruby-libs-1.8.7.352-3.el6.i686.rpm
ruby-libs-1.8.7.352-3.el6.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/ruby-1.8.7.352-3.el6.src.rpm

i386:
ruby-debuginfo-1.8.7.352-3.el6.i686.rpm
ruby-devel-1.8.7.352-3.el6.i686.rpm
ruby-docs-1.8.7.352-3.el6.i686.rpm
ruby-rdoc-1.8.7.352-3.el6.i686.rpm
ruby-ri-1.8.7.352-3.el6.i686.rpm
ruby-static-1.8.7.352-3.el6.i686.rpm
ruby-tcltk-1.8.7.352-3.el6.i686.rpm

ppc64:
ruby-debuginfo-1.8.7.352-3.el6.ppc.rpm
ruby-debuginfo-1.8.7.352-3.el6.ppc64.rpm
ruby-devel-1.8.7.352-3.el6.ppc.rpm
ruby-devel-1.8.7.352-3.el6.ppc64.rpm
ruby-docs-1.8.7.352-3.el6.ppc64.rpm
ruby-rdoc-1.8.7.352-3.el6.ppc64.rpm
ruby-ri-1.8.7.352-3.el6.ppc64.rpm
ruby-static-1.8.7.352-3.el6.ppc64.rpm
ruby-tcltk-1.8.7.352-3.el6.ppc64.rpm

s390x:
ruby-debuginfo-1.8.7.352-3.el6.s390.rpm
ruby-debuginfo-1.8.7.352-3.el6.s390x.rpm
ruby-devel-1.8.7.352-3.el6.s390.rpm
ruby-devel-1.8.7.352-3.el6.s390x.rpm
ruby-docs-1.8.7.352-3.el6.s390x.rpm
ruby-rdoc-1.8.7.352-3.el6.s390x.rpm
ruby-ri-1.8.7.352-3.el6.s390x.rpm
ruby-static-1.8.7.352-3.el6.s390x.rpm
ruby-tcltk-1.8.7.352-3.el6.s390x.rpm

x86_64:
ruby-debuginfo-1.8.7.352-3.el6.i686.rpm
ruby-debuginfo-1.8.7.352-3.el6.x86_64.rpm
ruby-devel-1.8.7.352-3.el6.i686.rpm
ruby-devel-1.8.7.352-3.el6.x86_64.rpm
ruby-docs-1.8.7.352-3.el6.x86_64.rpm
ruby-rdoc-1.8.7.352-3.el6.x86_64.rpm
ruby-ri-1.8.7.352-3.el6.x86_64.rpm
ruby-static-1.8.7.352-3.el6.x86_64.rpm
ruby-tcltk-1.8.7.352-3.el6.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/ruby-1.8.7.352-3.el6.src.rpm

i386:
ruby-1.8.7.352-3.el6.i686.rpm
ruby-debuginfo-1.8.7.352-3.el6.i686.rpm
ruby-irb-1.8.7.352-3.el6.i686.rpm
ruby-libs-1.8.7.352-3.el6.i686.rpm

x86_64:
ruby-1.8.7.352-3.el6.x86_64.rpm
ruby-debuginfo-1.8.7.352-3.el6.i686.rpm
ruby-debuginfo-1.8.7.352-3.el6.x86_64.rpm
ruby-irb-1.8.7.352-3.el6.x86_64.rpm
ruby-libs-1.8.7.352-3.el6.i686.rpm
ruby-libs-1.8.7.352-3.el6.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/ruby-1.8.7.352-3.el6.src.rpm

i386:
ruby-debuginfo-1.8.7.352-3.el6.i686.rpm
ruby-devel-1.8.7.352-3.el6.i686.rpm
ruby-docs-1.8.7.352-3.el6.i686.rpm
ruby-rdoc-1.8.7.352-3.el6.i686.rpm
ruby-ri-1.8.7.352-3.el6.i686.rpm
ruby-static-1.8.7.352-3.el6.i686.rpm
ruby-tcltk-1.8.7.352-3.el6.i686.rpm

x86_64:
ruby-debuginfo-1.8.7.352-3.el6.i686.rpm
ruby-debuginfo-1.8.7.352-3.el6.x86_64.rpm
ruby-devel-1.8.7.352-3.el6.i686.rpm
ruby-devel-1.8.7.352-3.el6.x86_64.rpm
ruby-docs-1.8.7.352-3.el6.x86_64.rpm
ruby-rdoc-1.8.7.352-3.el6.x86_64.rpm
ruby-ri-1.8.7.352-3.el6.x86_64.rpm
ruby-static-1.8.7.352-3.el6.x86_64.rpm
ruby-tcltk-1.8.7.352-3.el6.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2011-2705.html
https://www.redhat.com/security/data/cve/CVE-2011-3009.html
https://access.redhat.com/security/updates/classification/#low

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2011 Red Hat, Inc.
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