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(Red Hat Issues Fix) Ruby Bugs Let Users Deny Service and Execute Arbitrary Code
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SecurityTracker Alert ID: 1020476 |
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SecurityTracker URL: http://securitytracker.com/id/1020476
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CVE Reference:
CVE-2008-2662, CVE-2008-2663, CVE-2008-2664, CVE-2008-2725, CVE-2008-2726
(Links to External Site)
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Date: Jul 14 2008
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Impact:
Denial of service via local system, Denial of service via network, Execution of arbitrary code via local system, Execution of arbitrary code via network, User access via local system, User access via network
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 1.8.4, 1.8.5-p230, 1.8.6-p229, 1.8.7-p21, 1.9.0-1; and prior versions
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Description:
Several vulnerabilities were reported in Ruby. A user can execute arbitrary code on the target system. A user can cause denial of service conditions.
A user can execute arbitrary code on the target system or cause denial of service conditions on the target system.
A remote user may be able to exploit these vulnerabilities, depending on the specific application code.
Drew Yao of Apple Product Security reported these vulnerabilities.
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Impact:
A user can execute arbitrary code on the target system.
A user can cause denial of service conditions.
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Solution:
Red Hat has released a fix.
The Red Hat advisory is available at:
https://rhn.redhat.com/errata/RHSA-2008-0561.html
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Vendor URL: www.ruby-lang.org/en/news/2008/06/20/arbitrary-code-execution-vulnerabilities/ (Links to External Site)
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Cause:
Not specified
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Underlying OS:
Linux (Red Hat Enterprise)
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Message History:
This archive entry is a follow-up to the message listed below.
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Source Message Contents
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Date: Mon, 14 Jul 2008 09:27:52 -0400
Subject: [RHSA-2008:0561-01] Moderate: ruby security update
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
=====================================================================
Red Hat Security Advisory
Synopsis: Moderate: ruby security update
Advisory ID: RHSA-2008:0561-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2008-0561.html
Issue date: 2008-07-14
CVE Names: CVE-2008-2662 CVE-2008-2663 CVE-2008-2664
CVE-2008-2725 CVE-2008-2726 CVE-2008-2376
=====================================================================
1. Summary:
Updated ruby packages that fix several security issues are now available
for Red Hat Enterprise Linux 4 and 5.
This update has been rated as having moderate security impact by the Red
Hat Security Response Team.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
RHEL Desktop Workstation (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
3. Description:
Ruby is an interpreted scripting language for quick and easy
object-oriented programming.
Multiple integer overflows leading to a heap overflow were discovered in
the array- and string-handling code used by Ruby. An attacker could use
these flaws to crash a Ruby application or, possibly, execute arbitrary
code with the privileges of the Ruby application using untrusted inputs in
array or string operations. (CVE-2008-2376, CVE-2008-2662, CVE-2008-2663,
CVE-2008-2725, CVE-2008-2726)
It was discovered that Ruby used the alloca() memory allocation function in
the format (%) method of the String class without properly restricting
maximum string length. An attacker could use this flaw to crash a Ruby
application or, possibly, execute arbitrary code with the privileges of the
Ruby application using long, untrusted strings as format strings.
(CVE-2008-2664)
Red Hat would like to thank Drew Yao of the Apple Product Security team for
reporting these issues.
Users of Ruby should upgrade to these updated packages, which contain a
backported patch to resolve these issues.
4. Solution:
Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.
This update is available via Red Hat Network. Details on how to use
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/FAQ_58_10188
5. Bugs fixed (http://bugzilla.redhat.com/):
450821 - CVE-2008-2662 ruby: Integer overflows in rb_str_buf_append()
450825 - CVE-2008-2663 ruby: Integer overflows in rb_ary_store()
450834 - CVE-2008-2664 ruby: Unsafe use of alloca in rb_str_format()
451821 - CVE-2008-2725 ruby: integer overflow in rb_ary_splice/update/replace() - REALLOC_N
451828 - CVE-2008-2726 ruby: integer overflow in rb_ary_splice/update/replace() - beg + rlen
453589 - CVE-2008-2376 ruby: integer overflows in rb_ary_fill() / Array#fill
6. Package List:
Red Hat Enterprise Linux AS version 4:
Source:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/ruby-1.8.1-7.el4_6.1.src.rpm
i386:
irb-1.8.1-7.el4_6.1.i386.rpm
ruby-1.8.1-7.el4_6.1.i386.rpm
ruby-debuginfo-1.8.1-7.el4_6.1.i386.rpm
ruby-devel-1.8.1-7.el4_6.1.i386.rpm
ruby-docs-1.8.1-7.el4_6.1.i386.rpm
ruby-libs-1.8.1-7.el4_6.1.i386.rpm
ruby-mode-1.8.1-7.el4_6.1.i386.rpm
ruby-tcltk-1.8.1-7.el4_6.1.i386.rpm
ia64:
irb-1.8.1-7.el4_6.1.ia64.rpm
ruby-1.8.1-7.el4_6.1.ia64.rpm
ruby-debuginfo-1.8.1-7.el4_6.1.i386.rpm
ruby-debuginfo-1.8.1-7.el4_6.1.ia64.rpm
ruby-devel-1.8.1-7.el4_6.1.ia64.rpm
ruby-docs-1.8.1-7.el4_6.1.ia64.rpm
ruby-libs-1.8.1-7.el4_6.1.i386.rpm
ruby-libs-1.8.1-7.el4_6.1.ia64.rpm
ruby-mode-1.8.1-7.el4_6.1.ia64.rpm
ruby-tcltk-1.8.1-7.el4_6.1.ia64.rpm
ppc:
irb-1.8.1-7.el4_6.1.ppc.rpm
ruby-1.8.1-7.el4_6.1.ppc.rpm
ruby-debuginfo-1.8.1-7.el4_6.1.ppc.rpm
ruby-debuginfo-1.8.1-7.el4_6.1.ppc64.rpm
ruby-devel-1.8.1-7.el4_6.1.ppc.rpm
ruby-docs-1.8.1-7.el4_6.1.ppc.rpm
ruby-libs-1.8.1-7.el4_6.1.ppc.rpm
ruby-libs-1.8.1-7.el4_6.1.ppc64.rpm
ruby-mode-1.8.1-7.el4_6.1.ppc.rpm
ruby-tcltk-1.8.1-7.el4_6.1.ppc.rpm
s390:
irb-1.8.1-7.el4_6.1.s390.rpm
ruby-1.8.1-7.el4_6.1.s390.rpm
ruby-debuginfo-1.8.1-7.el4_6.1.s390.rpm
ruby-devel-1.8.1-7.el4_6.1.s390.rpm
ruby-docs-1.8.1-7.el4_6.1.s390.rpm
ruby-libs-1.8.1-7.el4_6.1.s390.rpm
ruby-mode-1.8.1-7.el4_6.1.s390.rpm
ruby-tcltk-1.8.1-7.el4_6.1.s390.rpm
s390x:
irb-1.8.1-7.el4_6.1.s390x.rpm
ruby-1.8.1-7.el4_6.1.s390x.rpm
ruby-debuginfo-1.8.1-7.el4_6.1.s390.rpm
ruby-debuginfo-1.8.1-7.el4_6.1.s390x.rpm
ruby-devel-1.8.1-7.el4_6.1.s390x.rpm
ruby-docs-1.8.1-7.el4_6.1.s390x.rpm
ruby-libs-1.8.1-7.el4_6.1.s390.rpm
ruby-libs-1.8.1-7.el4_6.1.s390x.rpm
ruby-mode-1.8.1-7.el4_6.1.s390x.rpm
ruby-tcltk-1.8.1-7.el4_6.1.s390x.rpm
x86_64:
irb-1.8.1-7.el4_6.1.x86_64.rpm
ruby-1.8.1-7.el4_6.1.x86_64.rpm
ruby-debuginfo-1.8.1-7.el4_6.1.i386.rpm
ruby-debuginfo-1.8.1-7.el4_6.1.x86_64.rpm
ruby-devel-1.8.1-7.el4_6.1.x86_64.rpm
ruby-docs-1.8.1-7.el4_6.1.x86_64.rpm
ruby-libs-1.8.1-7.el4_6.1.i386.rpm
ruby-libs-1.8.1-7.el4_6.1.x86_64.rpm
ruby-mode-1.8.1-7.el4_6.1.x86_64.rpm
ruby-tcltk-1.8.1-7.el4_6.1.x86_64.rpm
Red Hat Enterprise Linux Desktop version 4:
Source:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/ruby-1.8.1-7.el4_6.1.src.rpm
i386:
irb-1.8.1-7.el4_6.1.i386.rpm
ruby-1.8.1-7.el4_6.1.i386.rpm
ruby-debuginfo-1.8.1-7.el4_6.1.i386.rpm
ruby-devel-1.8.1-7.el4_6.1.i386.rpm
ruby-docs-1.8.1-7.el4_6.1.i386.rpm
ruby-libs-1.8.1-7.el4_6.1.i386.rpm
ruby-mode-1.8.1-7.el4_6.1.i386.rpm
ruby-tcltk-1.8.1-7.el4_6.1.i386.rpm
x86_64:
irb-1.8.1-7.el4_6.1.x86_64.rpm
ruby-1.8.1-7.el4_6.1.x86_64.rpm
ruby-debuginfo-1.8.1-7.el4_6.1.i386.rpm
ruby-debuginfo-1.8.1-7.el4_6.1.x86_64.rpm
ruby-devel-1.8.1-7.el4_6.1.x86_64.rpm
ruby-docs-1.8.1-7.el4_6.1.x86_64.rpm
ruby-libs-1.8.1-7.el4_6.1.i386.rpm
ruby-libs-1.8.1-7.el4_6.1.x86_64.rpm
ruby-mode-1.8.1-7.el4_6.1.x86_64.rpm
ruby-tcltk-1.8.1-7.el4_6.1.x86_64.rpm
Red Hat Enterprise Linux ES version 4:
Source:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/ruby-1.8.1-7.el4_6.1.src.rpm
i386:
irb-1.8.1-7.el4_6.1.i386.rpm
ruby-1.8.1-7.el4_6.1.i386.rpm
ruby-debuginfo-1.8.1-7.el4_6.1.i386.rpm
ruby-devel-1.8.1-7.el4_6.1.i386.rpm
ruby-docs-1.8.1-7.el4_6.1.i386.rpm
ruby-libs-1.8.1-7.el4_6.1.i386.rpm
ruby-mode-1.8.1-7.el4_6.1.i386.rpm
ruby-tcltk-1.8.1-7.el4_6.1.i386.rpm
ia64:
irb-1.8.1-7.el4_6.1.ia64.rpm
ruby-1.8.1-7.el4_6.1.ia64.rpm
ruby-debuginfo-1.8.1-7.el4_6.1.i386.rpm
ruby-debuginfo-1.8.1-7.el4_6.1.ia64.rpm
ruby-devel-1.8.1-7.el4_6.1.ia64.rpm
ruby-docs-1.8.1-7.el4_6.1.ia64.rpm
ruby-libs-1.8.1-7.el4_6.1.i386.rpm
ruby-libs-1.8.1-7.el4_6.1.ia64.rpm
ruby-mode-1.8.1-7.el4_6.1.ia64.rpm
ruby-tcltk-1.8.1-7.el4_6.1.ia64.rpm
x86_64:
irb-1.8.1-7.el4_6.1.x86_64.rpm
ruby-1.8.1-7.el4_6.1.x86_64.rpm
ruby-debuginfo-1.8.1-7.el4_6.1.i386.rpm
ruby-debuginfo-1.8.1-7.el4_6.1.x86_64.rpm
ruby-devel-1.8.1-7.el4_6.1.x86_64.rpm
ruby-docs-1.8.1-7.el4_6.1.x86_64.rpm
ruby-libs-1.8.1-7.el4_6.1.i386.rpm
ruby-libs-1.8.1-7.el4_6.1.x86_64.rpm
ruby-mode-1.8.1-7.el4_6.1.x86_64.rpm
ruby-tcltk-1.8.1-7.el4_6.1.x86_64.rpm
Red Hat Enterprise Linux WS version 4:
Source:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/ruby-1.8.1-7.el4_6.1.src.rpm
i386:
irb-1.8.1-7.el4_6.1.i386.rpm
ruby-1.8.1-7.el4_6.1.i386.rpm
ruby-debuginfo-1.8.1-7.el4_6.1.i386.rpm
ruby-devel-1.8.1-7.el4_6.1.i386.rpm
ruby-docs-1.8.1-7.el4_6.1.i386.rpm
ruby-libs-1.8.1-7.el4_6.1.i386.rpm
ruby-mode-1.8.1-7.el4_6.1.i386.rpm
ruby-tcltk-1.8.1-7.el4_6.1.i386.rpm
ia64:
irb-1.8.1-7.el4_6.1.ia64.rpm
ruby-1.8.1-7.el4_6.1.ia64.rpm
ruby-debuginfo-1.8.1-7.el4_6.1.i386.rpm
ruby-debuginfo-1.8.1-7.el4_6.1.ia64.rpm
ruby-devel-1.8.1-7.el4_6.1.ia64.rpm
ruby-docs-1.8.1-7.el4_6.1.ia64.rpm
ruby-libs-1.8.1-7.el4_6.1.i386.rpm
ruby-libs-1.8.1-7.el4_6.1.ia64.rpm
ruby-mode-1.8.1-7.el4_6.1.ia64.rpm
ruby-tcltk-1.8.1-7.el4_6.1.ia64.rpm
x86_64:
irb-1.8.1-7.el4_6.1.x86_64.rpm
ruby-1.8.1-7.el4_6.1.x86_64.rpm
ruby-debuginfo-1.8.1-7.el4_6.1.i386.rpm
ruby-debuginfo-1.8.1-7.el4_6.1.x86_64.rpm
ruby-devel-1.8.1-7.el4_6.1.x86_64.rpm
ruby-docs-1.8.1-7.el4_6.1.x86_64.rpm
ruby-libs-1.8.1-7.el4_6.1.i386.rpm
ruby-libs-1.8.1-7.el4_6.1.x86_64.rpm
ruby-mode-1.8.1-7.el4_6.1.x86_64.rpm
ruby-tcltk-1.8.1-7.el4_6.1.x86_64.rpm
Red Hat Enterprise Linux Desktop (v. 5 client):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/ruby-1.8.5-5.el5_2.3.src.rpm
i386:
ruby-1.8.5-5.el5_2.3.i386.rpm
ruby-debuginfo-1.8.5-5.el5_2.3.i386.rpm
ruby-docs-1.8.5-5.el5_2.3.i386.rpm
ruby-irb-1.8.5-5.el5_2.3.i386.rpm
ruby-libs-1.8.5-5.el5_2.3.i386.rpm
ruby-rdoc-1.8.5-5.el5_2.3.i386.rpm
ruby-ri-1.8.5-5.el5_2.3.i386.rpm
ruby-tcltk-1.8.5-5.el5_2.3.i386.rpm
x86_64:
ruby-1.8.5-5.el5_2.3.x86_64.rpm
ruby-debuginfo-1.8.5-5.el5_2.3.i386.rpm
ruby-debuginfo-1.8.5-5.el5_2.3.x86_64.rpm
ruby-docs-1.8.5-5.el5_2.3.x86_64.rpm
ruby-irb-1.8.5-5.el5_2.3.x86_64.rpm
ruby-libs-1.8.5-5.el5_2.3.i386.rpm
ruby-libs-1.8.5-5.el5_2.3.x86_64.rpm
ruby-rdoc-1.8.5-5.el5_2.3.x86_64.rpm
ruby-ri-1.8.5-5.el5_2.3.x86_64.rpm
ruby-tcltk-1.8.5-5.el5_2.3.x86_64.rpm
RHEL Desktop Workstation (v. 5 client):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/ruby-1.8.5-5.el5_2.3.src.rpm
i386:
ruby-debuginfo-1.8.5-5.el5_2.3.i386.rpm
ruby-devel-1.8.5-5.el5_2.3.i386.rpm
ruby-mode-1.8.5-5.el5_2.3.i386.rpm
x86_64:
ruby-debuginfo-1.8.5-5.el5_2.3.i386.rpm
ruby-debuginfo-1.8.5-5.el5_2.3.x86_64.rpm
ruby-devel-1.8.5-5.el5_2.3.i386.rpm
ruby-devel-1.8.5-5.el5_2.3.x86_64.rpm
ruby-mode-1.8.5-5.el5_2.3.x86_64.rpm
Red Hat Enterprise Linux (v. 5 server):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/ruby-1.8.5-5.el5_2.3.src.rpm
i386:
ruby-1.8.5-5.el5_2.3.i386.rpm
ruby-debuginfo-1.8.5-5.el5_2.3.i386.rpm
ruby-devel-1.8.5-5.el5_2.3.i386.rpm
ruby-docs-1.8.5-5.el5_2.3.i386.rpm
ruby-irb-1.8.5-5.el5_2.3.i386.rpm
ruby-libs-1.8.5-5.el5_2.3.i386.rpm
ruby-mode-1.8.5-5.el5_2.3.i386.rpm
ruby-rdoc-1.8.5-5.el5_2.3.i386.rpm
ruby-ri-1.8.5-5.el5_2.3.i386.rpm
ruby-tcltk-1.8.5-5.el5_2.3.i386.rpm
ia64:
ruby-1.8.5-5.el5_2.3.ia64.rpm
ruby-debuginfo-1.8.5-5.el5_2.3.ia64.rpm
ruby-devel-1.8.5-5.el5_2.3.ia64.rpm
ruby-docs-1.8.5-5.el5_2.3.ia64.rpm
ruby-irb-1.8.5-5.el5_2.3.ia64.rpm
ruby-libs-1.8.5-5.el5_2.3.ia64.rpm
ruby-mode-1.8.5-5.el5_2.3.ia64.rpm
ruby-rdoc-1.8.5-5.el5_2.3.ia64.rpm
ruby-ri-1.8.5-5.el5_2.3.ia64.rpm
ruby-tcltk-1.8.5-5.el5_2.3.ia64.rpm
ppc:
ruby-1.8.5-5.el5_2.3.ppc.rpm
ruby-debuginfo-1.8.5-5.el5_2.3.ppc.rpm
ruby-debuginfo-1.8.5-5.el5_2.3.ppc64.rpm
ruby-devel-1.8.5-5.el5_2.3.ppc.rpm
ruby-devel-1.8.5-5.el5_2.3.ppc64.rpm
ruby-docs-1.8.5-5.el5_2.3.ppc.rpm
ruby-irb-1.8.5-5.el5_2.3.ppc.rpm
ruby-libs-1.8.5-5.el5_2.3.ppc.rpm
ruby-libs-1.8.5-5.el5_2.3.ppc64.rpm
ruby-mode-1.8.5-5.el5_2.3.ppc.rpm
ruby-rdoc-1.8.5-5.el5_2.3.ppc.rpm
ruby-ri-1.8.5-5.el5_2.3.ppc.rpm
ruby-tcltk-1.8.5-5.el5_2.3.ppc.rpm
s390x:
ruby-1.8.5-5.el5_2.3.s390x.rpm
ruby-debuginfo-1.8.5-5.el5_2.3.s390.rpm
ruby-debuginfo-1.8.5-5.el5_2.3.s390x.rpm
ruby-devel-1.8.5-5.el5_2.3.s390.rpm
ruby-devel-1.8.5-5.el5_2.3.s390x.rpm
ruby-docs-1.8.5-5.el5_2.3.s390x.rpm
ruby-irb-1.8.5-5.el5_2.3.s390x.rpm
ruby-libs-1.8.5-5.el5_2.3.s390.rpm
ruby-libs-1.8.5-5.el5_2.3.s390x.rpm
ruby-mode-1.8.5-5.el5_2.3.s390x.rpm
ruby-rdoc-1.8.5-5.el5_2.3.s390x.rpm
ruby-ri-1.8.5-5.el5_2.3.s390x.rpm
ruby-tcltk-1.8.5-5.el5_2.3.s390x.rpm
x86_64:
ruby-1.8.5-5.el5_2.3.x86_64.rpm
ruby-debuginfo-1.8.5-5.el5_2.3.i386.rpm
ruby-debuginfo-1.8.5-5.el5_2.3.x86_64.rpm
ruby-devel-1.8.5-5.el5_2.3.i386.rpm
ruby-devel-1.8.5-5.el5_2.3.x86_64.rpm
ruby-docs-1.8.5-5.el5_2.3.x86_64.rpm
ruby-irb-1.8.5-5.el5_2.3.x86_64.rpm
ruby-libs-1.8.5-5.el5_2.3.i386.rpm
ruby-libs-1.8.5-5.el5_2.3.x86_64.rpm
ruby-mode-1.8.5-5.el5_2.3.x86_64.rpm
ruby-rdoc-1.8.5-5.el5_2.3.x86_64.rpm
ruby-ri-1.8.5-5.el5_2.3.x86_64.rpm
ruby-tcltk-1.8.5-5.el5_2.3.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://www.redhat.com/security/team/key/#package
7. References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2662
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2663
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2664
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2725
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2726
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2376
http://www.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://www.redhat.com/security/team/contact/
Copyright 2008 Red Hat, Inc.
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