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RedHat: Moderate: libpng security update Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
RedHat Linux Updated libpng packages that fix a security issue are now available for Red Hat Enterprise Linux 4. This update has been rated as having moderate security impact by the Red Hat Security Response Team.
- ---------------------------------------------------------------------
                   Red Hat Security Advisory

Synopsis:          Moderate: libpng security update
Advisory ID:       RHSA-2006:0205-01
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2006-0205.html
Issue date:        2006-02-13
Updated on:        2006-02-13
Product:           Red Hat Enterprise Linux
CVE Names:         CVE-2006-0481
- ---------------------------------------------------------------------

1. Summary:

Updated libpng packages that fix a security issue are now available for Red
Hat Enterprise Linux 4.

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

3. Problem description:

The libpng package contains a library of functions for creating and
manipulating PNG (Portable Network Graphics) image format files.

A heap based buffer overflow bug was found in the way libpng strips alpha
channels from a PNG image. An attacker could create a carefully crafted PNG
image file in such a way that it could cause an application linked with
libpng to crash or execute arbitrary code when the file is opened by a
victim. The Common Vulnerabilities and Exposures project has assigned the
name CVE-2006-0481 to this issue.

Please note that the vunerable libpng function is only used by TeTeX and
XEmacs on Red Hat Enterprise Linux 4.

All users of libpng are advised to update to these updated packages which
contain a backported patch that is not vulnerable to 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 Red Hat Network.  To use Red Hat Network,
launch the Red Hat Update Agent with the following command:

up2date

This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.

5. Bug IDs fixed (http://bugzilla.redhat.com/):

179455 - CVE-2006-0481 libpng heap based buffer overflow


6. RPMs required:

Red Hat Enterprise Linux AS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/libpng-1.2.7-1.el4.2.src.rpm
3be4c7907d2075acfcb1b98e4cbb5372  libpng-1.2.7-1.el4.2.src.rpm

i386:
61f4bad424d1df53fed448bef881f640  libpng-1.2.7-1.el4.2.i386.rpm
5243972c9cfff70de5928919a0edc605  libpng-devel-1.2.7-1.el4.2.i386.rpm

ia64:
61f4bad424d1df53fed448bef881f640  libpng-1.2.7-1.el4.2.i386.rpm
359febeb55ed043c5267085507bd2a49  libpng-1.2.7-1.el4.2.ia64.rpm
a6c282c1672b014f95b8000fc90d9f88  libpng-devel-1.2.7-1.el4.2.ia64.rpm

ppc:
aba415ffe4d33117e6fab817530abdfe  libpng-1.2.7-1.el4.2.ppc.rpm
ae99d2ab1f8e5c729e236d76966ea5e9  libpng-1.2.7-1.el4.2.ppc64.rpm
afbee8e15d188ca505731b17f7285ac8  libpng-devel-1.2.7-1.el4.2.ppc.rpm

s390:
dae631134524c705ba50b49134692f20  libpng-1.2.7-1.el4.2.s390.rpm
06ea4d0701eca6a99e7e2d88f2529f6c  libpng-devel-1.2.7-1.el4.2.s390.rpm

s390x:
dae631134524c705ba50b49134692f20  libpng-1.2.7-1.el4.2.s390.rpm
6442febc585676b63e4f47abad45a524  libpng-1.2.7-1.el4.2.s390x.rpm
4cb0b4c9abce9db24a569fdd7e6e5e2f  libpng-devel-1.2.7-1.el4.2.s390x.rpm

x86_64:
61f4bad424d1df53fed448bef881f640  libpng-1.2.7-1.el4.2.i386.rpm
d950f5c564d4424dd1706c8b0333a084  libpng-1.2.7-1.el4.2.x86_64.rpm
f5d9e78727edfbf9b8dc376291160c02  libpng-devel-1.2.7-1.el4.2.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/libpng-1.2.7-1.el4.2.src.rpm
3be4c7907d2075acfcb1b98e4cbb5372  libpng-1.2.7-1.el4.2.src.rpm

i386:
61f4bad424d1df53fed448bef881f640  libpng-1.2.7-1.el4.2.i386.rpm
5243972c9cfff70de5928919a0edc605  libpng-devel-1.2.7-1.el4.2.i386.rpm

x86_64:
61f4bad424d1df53fed448bef881f640  libpng-1.2.7-1.el4.2.i386.rpm
d950f5c564d4424dd1706c8b0333a084  libpng-1.2.7-1.el4.2.x86_64.rpm
f5d9e78727edfbf9b8dc376291160c02  libpng-devel-1.2.7-1.el4.2.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/libpng-1.2.7-1.el4.2.src.rpm
3be4c7907d2075acfcb1b98e4cbb5372  libpng-1.2.7-1.el4.2.src.rpm

i386:
61f4bad424d1df53fed448bef881f640  libpng-1.2.7-1.el4.2.i386.rpm
5243972c9cfff70de5928919a0edc605  libpng-devel-1.2.7-1.el4.2.i386.rpm

ia64:
61f4bad424d1df53fed448bef881f640  libpng-1.2.7-1.el4.2.i386.rpm
359febeb55ed043c5267085507bd2a49  libpng-1.2.7-1.el4.2.ia64.rpm
a6c282c1672b014f95b8000fc90d9f88  libpng-devel-1.2.7-1.el4.2.ia64.rpm

x86_64:
61f4bad424d1df53fed448bef881f640  libpng-1.2.7-1.el4.2.i386.rpm
d950f5c564d4424dd1706c8b0333a084  libpng-1.2.7-1.el4.2.x86_64.rpm
f5d9e78727edfbf9b8dc376291160c02  libpng-devel-1.2.7-1.el4.2.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/libpng-1.2.7-1.el4.2.src.rpm
3be4c7907d2075acfcb1b98e4cbb5372  libpng-1.2.7-1.el4.2.src.rpm

i386:
61f4bad424d1df53fed448bef881f640  libpng-1.2.7-1.el4.2.i386.rpm
5243972c9cfff70de5928919a0edc605  libpng-devel-1.2.7-1.el4.2.i386.rpm

ia64:
61f4bad424d1df53fed448bef881f640  libpng-1.2.7-1.el4.2.i386.rpm
359febeb55ed043c5267085507bd2a49  libpng-1.2.7-1.el4.2.ia64.rpm
a6c282c1672b014f95b8000fc90d9f88  libpng-devel-1.2.7-1.el4.2.ia64.rpm

x86_64:
61f4bad424d1df53fed448bef881f640  libpng-1.2.7-1.el4.2.i386.rpm
d950f5c564d4424dd1706c8b0333a084  libpng-1.2.7-1.el4.2.x86_64.rpm
f5d9e78727edfbf9b8dc376291160c02  libpng-devel-1.2.7-1.el4.2.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-2006-0481

8. Contact:

The Red Hat security contact is .  More contact
details at https://www.redhat.com/security/team/contact/

Copyright 2006 Red Hat, Inc.
 
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