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Red Hat Security Advisory 2013-1764-01

Red Hat Security Advisory 2013-1764-01
Posted Nov 26, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-1764-01 - Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. A buffer overflow flaw was found in the way Ruby parsed floating point numbers from their text representation. If an application using Ruby accepted untrusted input strings and converted them to floating point numbers, an attacker able to provide such input could cause the application to crash or, possibly, execute arbitrary code with the privileges of the application.

tags | advisory, overflow, arbitrary, ruby
systems | linux, redhat
advisories | CVE-2013-4164
SHA-256 | 00d43abf0a3546711d0711a5ec5c75bc3a8f3b962ebe380f5589285b7d3d941d
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Red Hat Security Advisory 2013-1764-01

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

Synopsis:          Critical: ruby security update
Advisory ID:       RHSA-2013:1764-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2013-1764.html
Issue date:        2013-11-25
CVE Names:         CVE-2013-4164 
=====================================================================

1. Summary:

Updated ruby packages that fix one security issue are now available for
Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having critical
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.

2. Relevant releases/architectures:

 Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
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 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 perform system management
tasks.

A buffer overflow flaw was found in the way Ruby parsed floating point
numbers from their text representation. If an application using Ruby
accepted untrusted input strings and converted them to floating point
numbers, an attacker able to provide such input could cause the application
to crash or, possibly, execute arbitrary code with the privileges of the
application. (CVE-2013-4164)

All ruby users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue.

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/site/articles/11258

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

1033460 - CVE-2013-4164 ruby: heap overflow in floating point parsing

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/ruby-1.8.7.352-13.el6.src.rpm

i386:
ruby-1.8.7.352-13.el6.i686.rpm
ruby-debuginfo-1.8.7.352-13.el6.i686.rpm
ruby-devel-1.8.7.352-13.el6.i686.rpm
ruby-irb-1.8.7.352-13.el6.i686.rpm
ruby-libs-1.8.7.352-13.el6.i686.rpm
ruby-rdoc-1.8.7.352-13.el6.i686.rpm

x86_64:
ruby-1.8.7.352-13.el6.x86_64.rpm
ruby-debuginfo-1.8.7.352-13.el6.i686.rpm
ruby-debuginfo-1.8.7.352-13.el6.x86_64.rpm
ruby-devel-1.8.7.352-13.el6.i686.rpm
ruby-devel-1.8.7.352-13.el6.x86_64.rpm
ruby-irb-1.8.7.352-13.el6.x86_64.rpm
ruby-libs-1.8.7.352-13.el6.i686.rpm
ruby-libs-1.8.7.352-13.el6.x86_64.rpm
ruby-rdoc-1.8.7.352-13.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-1.8.7.352-13.el6.src.rpm

i386:
ruby-debuginfo-1.8.7.352-13.el6.i686.rpm
ruby-docs-1.8.7.352-13.el6.i686.rpm
ruby-ri-1.8.7.352-13.el6.i686.rpm
ruby-static-1.8.7.352-13.el6.i686.rpm
ruby-tcltk-1.8.7.352-13.el6.i686.rpm

x86_64:
ruby-debuginfo-1.8.7.352-13.el6.x86_64.rpm
ruby-docs-1.8.7.352-13.el6.x86_64.rpm
ruby-ri-1.8.7.352-13.el6.x86_64.rpm
ruby-static-1.8.7.352-13.el6.x86_64.rpm
ruby-tcltk-1.8.7.352-13.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-1.8.7.352-13.el6.src.rpm

x86_64:
ruby-1.8.7.352-13.el6.x86_64.rpm
ruby-debuginfo-1.8.7.352-13.el6.i686.rpm
ruby-debuginfo-1.8.7.352-13.el6.x86_64.rpm
ruby-devel-1.8.7.352-13.el6.i686.rpm
ruby-devel-1.8.7.352-13.el6.x86_64.rpm
ruby-irb-1.8.7.352-13.el6.x86_64.rpm
ruby-libs-1.8.7.352-13.el6.i686.rpm
ruby-libs-1.8.7.352-13.el6.x86_64.rpm
ruby-rdoc-1.8.7.352-13.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-1.8.7.352-13.el6.src.rpm

x86_64:
ruby-debuginfo-1.8.7.352-13.el6.x86_64.rpm
ruby-docs-1.8.7.352-13.el6.x86_64.rpm
ruby-ri-1.8.7.352-13.el6.x86_64.rpm
ruby-static-1.8.7.352-13.el6.x86_64.rpm
ruby-tcltk-1.8.7.352-13.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-1.8.7.352-13.el6.src.rpm

i386:
ruby-1.8.7.352-13.el6.i686.rpm
ruby-debuginfo-1.8.7.352-13.el6.i686.rpm
ruby-devel-1.8.7.352-13.el6.i686.rpm
ruby-irb-1.8.7.352-13.el6.i686.rpm
ruby-libs-1.8.7.352-13.el6.i686.rpm
ruby-rdoc-1.8.7.352-13.el6.i686.rpm

ppc64:
ruby-1.8.7.352-13.el6.ppc64.rpm
ruby-debuginfo-1.8.7.352-13.el6.ppc.rpm
ruby-debuginfo-1.8.7.352-13.el6.ppc64.rpm
ruby-devel-1.8.7.352-13.el6.ppc.rpm
ruby-devel-1.8.7.352-13.el6.ppc64.rpm
ruby-irb-1.8.7.352-13.el6.ppc64.rpm
ruby-libs-1.8.7.352-13.el6.ppc.rpm
ruby-libs-1.8.7.352-13.el6.ppc64.rpm
ruby-rdoc-1.8.7.352-13.el6.ppc64.rpm

s390x:
ruby-1.8.7.352-13.el6.s390x.rpm
ruby-debuginfo-1.8.7.352-13.el6.s390.rpm
ruby-debuginfo-1.8.7.352-13.el6.s390x.rpm
ruby-devel-1.8.7.352-13.el6.s390.rpm
ruby-devel-1.8.7.352-13.el6.s390x.rpm
ruby-irb-1.8.7.352-13.el6.s390x.rpm
ruby-libs-1.8.7.352-13.el6.s390.rpm
ruby-libs-1.8.7.352-13.el6.s390x.rpm
ruby-rdoc-1.8.7.352-13.el6.s390x.rpm

x86_64:
ruby-1.8.7.352-13.el6.x86_64.rpm
ruby-debuginfo-1.8.7.352-13.el6.i686.rpm
ruby-debuginfo-1.8.7.352-13.el6.x86_64.rpm
ruby-devel-1.8.7.352-13.el6.i686.rpm
ruby-devel-1.8.7.352-13.el6.x86_64.rpm
ruby-irb-1.8.7.352-13.el6.x86_64.rpm
ruby-libs-1.8.7.352-13.el6.i686.rpm
ruby-libs-1.8.7.352-13.el6.x86_64.rpm
ruby-rdoc-1.8.7.352-13.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-1.8.7.352-13.el6.src.rpm

i386:
ruby-debuginfo-1.8.7.352-13.el6.i686.rpm
ruby-docs-1.8.7.352-13.el6.i686.rpm
ruby-ri-1.8.7.352-13.el6.i686.rpm
ruby-static-1.8.7.352-13.el6.i686.rpm
ruby-tcltk-1.8.7.352-13.el6.i686.rpm

ppc64:
ruby-debuginfo-1.8.7.352-13.el6.ppc64.rpm
ruby-docs-1.8.7.352-13.el6.ppc64.rpm
ruby-ri-1.8.7.352-13.el6.ppc64.rpm
ruby-static-1.8.7.352-13.el6.ppc64.rpm
ruby-tcltk-1.8.7.352-13.el6.ppc64.rpm

s390x:
ruby-debuginfo-1.8.7.352-13.el6.s390x.rpm
ruby-docs-1.8.7.352-13.el6.s390x.rpm
ruby-ri-1.8.7.352-13.el6.s390x.rpm
ruby-static-1.8.7.352-13.el6.s390x.rpm
ruby-tcltk-1.8.7.352-13.el6.s390x.rpm

x86_64:
ruby-debuginfo-1.8.7.352-13.el6.x86_64.rpm
ruby-docs-1.8.7.352-13.el6.x86_64.rpm
ruby-ri-1.8.7.352-13.el6.x86_64.rpm
ruby-static-1.8.7.352-13.el6.x86_64.rpm
ruby-tcltk-1.8.7.352-13.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-1.8.7.352-13.el6.src.rpm

i386:
ruby-1.8.7.352-13.el6.i686.rpm
ruby-debuginfo-1.8.7.352-13.el6.i686.rpm
ruby-devel-1.8.7.352-13.el6.i686.rpm
ruby-irb-1.8.7.352-13.el6.i686.rpm
ruby-libs-1.8.7.352-13.el6.i686.rpm
ruby-rdoc-1.8.7.352-13.el6.i686.rpm

x86_64:
ruby-1.8.7.352-13.el6.x86_64.rpm
ruby-debuginfo-1.8.7.352-13.el6.i686.rpm
ruby-debuginfo-1.8.7.352-13.el6.x86_64.rpm
ruby-devel-1.8.7.352-13.el6.i686.rpm
ruby-devel-1.8.7.352-13.el6.x86_64.rpm
ruby-irb-1.8.7.352-13.el6.x86_64.rpm
ruby-libs-1.8.7.352-13.el6.i686.rpm
ruby-libs-1.8.7.352-13.el6.x86_64.rpm
ruby-rdoc-1.8.7.352-13.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-1.8.7.352-13.el6.src.rpm

i386:
ruby-debuginfo-1.8.7.352-13.el6.i686.rpm
ruby-docs-1.8.7.352-13.el6.i686.rpm
ruby-ri-1.8.7.352-13.el6.i686.rpm
ruby-static-1.8.7.352-13.el6.i686.rpm
ruby-tcltk-1.8.7.352-13.el6.i686.rpm

x86_64:
ruby-debuginfo-1.8.7.352-13.el6.x86_64.rpm
ruby-docs-1.8.7.352-13.el6.x86_64.rpm
ruby-ri-1.8.7.352-13.el6.x86_64.rpm
ruby-static-1.8.7.352-13.el6.x86_64.rpm
ruby-tcltk-1.8.7.352-13.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-2013-4164.html
https://access.redhat.com/security/updates/classification/#critical

8. Contact:

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

Copyright 2013 Red Hat, Inc.
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