SUSE Security Announcement: ImageMagick problems
Posted on: 03/23/2005 10:21 AM

An ImageMagick security update has been released for SUSE Linux

______________________________________________________________________________

SUSE Security Announcement

Package: ImageMagick
Announcement-ID: SUSE-SA:2005:017
Date: Wed, 23 Mar 2005 14:00:00 +0000
Affected products: 8.2, 9.0, 9.1, 9.2
SUSE Linux Desktop 1.0
SUSE Linux Enterprise Server 8, 9
Novell Linux Desktop 9
Vulnerability Type: remote code execution
Severity (1-10): 5
SUSE default package: no
Cross References: CAN-2005-0397
CAN-2005-0759
CAN-2005-0760
CAN-2005-0761
CAN-2005-0762

Content of this advisory:
1) security vulnerability resolved:
several security problems in ImageMagick
problem description
2) solution/workaround
3) special instructions and notes
4) package location and checksums
5) pending vulnerabilities, solutions, workarounds:
See SUSE Security Summary Report.
6) standard appendix (further information)

______________________________________________________________________________

1) problem description, brief discussion

This update fixes several security issues in the ImageMagick program suite:

- A format string vulnerability was found in the display program
which could lead to a remote attacker being to able to execute code
as the user running display by providing handcrafted filenames of
images. This is tracked by the Mitre CVE ID CAN-2005-0397.

Andrei Nigmatulin reported 4 problems in older versions of ImageMagick:

- A bug was found in the way ImageMagick handles TIFF tags.
It is possible that a TIFF image file with an invalid tag could
cause ImageMagick to crash.
This is tracked by the Mitre CVE ID CAN-2005-0759.

Only ImageMagick version before version 6 are affected.

- A bug was found in ImageMagick's TIFF decoder.
It is possible that a specially crafted TIFF image file could
cause ImageMagick to crash.
This is tracked by the Mitre CVE ID CAN-2005-0760.

Only ImageMagick version before version 6 are affected.

- A bug was found in the way ImageMagick parses PSD files.
It is possible that a specially crafted PSD file could cause
ImageMagick to crash.
This is tracked by the Mitre CVE ID CAN-2005-0761.

Only ImageMagick version before version 6.1.8 are affected.

- A heap overflow bug was found in ImageMagick's SGI parser.
It is possible that an attacker could execute arbitrary code
by tricking a user into opening a specially crafted SGI image
file.
This is tracked by the Mitre CVE ID CAN-2005-0762.

Only ImageMagick version before version 6 are affected.

2) solution/workaround

Please install the updated packages.

3) special instructions and notes

None.

4) package location and checksums

Please download the update package for your distribution and verify its
integrity by the methods listed in section 3) of this announcement.
Then, install the package using the command "rpm -Fhv file.rpm" to apply
the update.
Our maintenance customers are being notified individually. The packages
are being offered to install from the maintenance web.


x86 Platform:

SUSE Linux 9.2:
ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/ImageMagick-6.0.7-4.6.i586.rpm
e0abc35e5b6e62c411d20ef6e2e9f977
ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/ImageMagick-Magick++-6.0.7-4.6.i586.rpm
03e732ad0f84a86746b9c227fc89b445
ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/ImageMagick-devel-6.0.7-4.6.i586.rpm
c284ca68e325b91406ddd7d89d469578
ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/perl-PerlMagick-6.0.7-4.6.i586.rpm
1b266f8322f93bf46889bcede41807b2

SUSE Linux 9.1:
ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/ImageMagick-5.5.7-225.15.i586.rpm
f9b715bc0b7a903d7d9ed05bb185e305
ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/ImageMagick-Magick++-5.5.7-225.15.i586.rpm
a2f7fc378cfe423636e85d41ce2e84a3
ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/ImageMagick-devel-5.5.7-225.15.i586.rpm
bd64b2c1a6725453e5c76fb8fa6504a9
ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/perl-PerlMagick-5.5.7-225.15.i586.rpm
b8b09bdc13ad121251b206b0c867250a
source rpm(s):
ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/ImageMagick-5.5.7-225.15.src.rpm
25266f599e107cb3587b78311c3526d7

SUSE Linux 9.0:
ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/ImageMagick-5.5.7-233.i586.rpm
efe3d14315a46951b3c9b67d77ae7e24
ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/ImageMagick-Magick++-5.5.7-233.i586.rpm
d2edc9ca9c44981a804081ceee7995e8
ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/ImageMagick-devel-5.5.7-233.i586.rpm
c596c37ffc1037edd206f2ed2b7aba8c
ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/perl-PerlMagick-5.5.7-233.i586.rpm
0cdf7ec0f6a284fd1ecd0f8b4669f106
source rpm(s):
ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/ImageMagick-5.5.7-233.src.rpm
388fc41c453baecab3249d0c5520e509

SUSE Linux 8.2:
ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/ImageMagick-5.5.4-125.i586.rpm
f1fd06f68f5d1340aa48a1249a666b42
ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/ImageMagick-Magick++-5.5.4-125.i586.rpm
476eb03a384a7f3295f0933bfd22037b
ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/ImageMagick-devel-5.5.4-125.i586.rpm
1fe5babe00b1a2e3b29b27afdc49a5eb
ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/perl-PerlMagick-5.5.4-125.i586.rpm
7b4954080bed5957fc4dafc139877ffb
source rpm(s):
ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/ImageMagick-5.5.4-125.src.rpm
fb728261f74de1c886b8e89c6ccdc527

x86-64 Platform:

SUSE Linux 9.2:
ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/ImageMagick-6.0.7-4.6.x86_64.rpm
2b5031672b87983839255c62a8d2b6c6
ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/ImageMagick-Magick++-6.0.7-4.6.x86_64.rpm
65e2f75380c5c09318de2c2d5341dd8f
ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/ImageMagick-devel-6.0.7-4.6.x86_64.rpm
dd81443b6ddd154a7c0f5af0ba107686
ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/perl-PerlMagick-6.0.7-4.6.x86_64.rpm
a7900a8703a0fe17ff64ff9dcb9e52f4
source rpm(s):
ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/src/ImageMagick-6.0.7-4.6.src.rpm
610adb7f10d61555aa46b27e29eebf05

SUSE Linux 9.1:
ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/ImageMagick-5.5.7-225.15.x86_64.rpm
6ea3b05343ea37f54b0912576e5bc6e7
ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/ImageMagick-Magick++-5.5.7-225.15.x86_64.rpm
7b9e5c6e6094abc2f11f2817ca513b89
ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/ImageMagick-devel-5.5.7-225.15.x86_64.rpm
c0f61d39f21a1b365f301515230a357b
ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/perl-PerlMagick-5.5.7-225.15.x86_64.rpm
c9e54772c1cd1ad6a06bafd926377095
source rpm(s):
ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/ImageMagick-5.5.7-225.15.src.rpm
49128ab7a073c5c65883801bafa60a6b

SUSE Linux 9.0:
ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/ImageMagick-5.5.7-233.x86_64.rpm
7b7cbce2c54582984747576efe1d551d
ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/ImageMagick-Magick++-5.5.7-233.x86_64.rpm
108267eb5c839b17b878d63a351c1ee1
ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/ImageMagick-devel-5.5.7-233.x86_64.rpm
34a4699f690dc4b11c347274abddb6fe
ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/perl-PerlMagick-5.5.7-233.x86_64.rpm
83d2c15b6ba09df08b560d131de2cf5b
source rpm(s):
ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/src/ImageMagick-5.5.7-233.src.rpm
a5c25371a0c311c715dd331309649a57


______________________________________________________________________________

5) Pending vulnerabilities in SUSE Distributions and Workarounds:

See SUSE Security Summary Report.

______________________________________________________________________________

6) standard appendix: authenticity verification, additional information

- Package authenticity verification:

SUSE update packages are available on many mirror ftp servers all over
the world. While this service is being considered valuable and important
to the free and open source software community, many users wish to be
sure about the origin of the package and its content before installing
the package. There are two verification methods that can be used
independently from each other to prove the authenticity of a downloaded
file or rpm package:
1) md5sums as provided in the (cryptographically signed) announcement.
2) using the internal gpg signatures of the rpm package.

1) execute the command
md5sum <name-of-the-file.rpm>
after you downloaded the file from a SUSE ftp server or its mirrors.
Then, compare the resulting md5sum with the one that is listed in the
announcement. Since the announcement containing the checksums is
cryptographically signed (usually using the key security@suse.de),
the checksums show proof of the authenticity of the package.
We disrecommend to subscribe to security lists which cause the
email message containing the announcement to be modified so that
the signature does not match after transport through the mailing
list software.
Downsides: You must be able to verify the authenticity of the
announcement in the first place. If RPM packages are being rebuilt
and a new version of a package is published on the ftp server, all
md5 sums for the files are useless.

2) rpm package signatures provide an easy way to verify the authenticity
of an rpm package. Use the command
rpm -v --checksig <file.rpm>
to verify the signature of the package, where <file.rpm> is the
filename of the rpm package that you have downloaded. Of course,
package authenticity verification can only target an un-installed rpm
package file.
Prerequisites:
a) gpg is installed
b) The package is signed using a certain key. The public part of this
key must be installed by the gpg program in the directory
~/.gnupg/ under the user's home directory who performs the
signature verification (usually root). You can import the key
that is used by SUSE in rpm packages for SUSE Linux by saving
this announcement to a file ("announcement.txt") and
running the command (do "su -" to be root):
gpg --batch; gpg < announcement.txt | gpg --import
SUSE Linux distributions version 7.1 and thereafter install the
key "build@suse.de" upon installation or upgrade, provided that
the package gpg is installed. The file containing the public key
is placed at the top-level directory of the first CD (pubring.gpg)
and at ftp://ftp.suse.com/pub/suse/pubring.gpg-build.suse.de .


- SUSE runs two security mailing lists to which any interested party may
subscribe:

suse-security@suse.com
- general/linux/SUSE security discussion.
All SUSE security announcements are sent to this list.
To subscribe, send an email to
<suse-security-subscribe@suse.com>.

suse-security-announce@suse.com
- SUSE's announce-only mailing list.
Only SUSE's security announcements are sent to this list.
To subscribe, send an email to
<suse-security-announce-subscribe@suse.com>.

For general information or the frequently asked questions (faq)
send mail to:
<suse-security-info@suse.com> or
<suse-security-faq@suse.com> respectively.

====================================================================
SUSE's security contact is <security@suse.com> or <security@suse.de>.
@suse.de>.
The <security@suse.de> public key is listed below.
====================================================================
______________________________________________________________________________

The information in this advisory may be distributed or reproduced,
provided that the advisory is not modified in any way. In particular,
it is desired that the clear-text signature shows proof of the
authenticity of the text.
SUSE Linux AG makes no warranties of any kind whatsoever with respect
to the information contained in this security advisory.

Type Bits/KeyID Date User ID
pub 2048R/3D25D3D9 1999-03-06 SuSE Security Team <security@suse.de>
pub 1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <build@suse.de>

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