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Sicherheit: Pufferüberläufe in qt3
Aktuelle Meldungen Distributionen
Name: Pufferüberläufe in qt3
ID: SUSE-SA:2004:027
Distribution: SUSE
Plattformen: SUSE eMail Server III, SUSE Linux Connectivity Server, SUSE Linux Database Server, SUSE eMail Server 3.1, SUSE Linux Office Server, SUSE Linux 8.1, SUSE Linux Firewall on CD/Admin host, SUSE Linux Enterprise Server 8, SUSE Linux 8.2, SUSE Linux 9.0, SUSE Linux 9.1, SUSE Linux Enterprise Server 9
Datum: Fr, 20. August 2004, 13:00
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0691
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0692
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0693
Applikationen: Qt

Originalnachricht

-----BEGIN PGP SIGNED MESSAGE-----

______________________________________________________________________________

SUSE Security Announcement

Package: qt3/qt3-non-mt/qt3-32bit/qt3-static
Announcement-ID: SUSE-SA:2004:027
Date: Thursday, Aug 19th 2004 15:00 MEST
Affected products: 8.1, 8.2, 9.0, 9.1
SUSE Linux Database Server,
SUSE eMail Server III, 3.1
SUSE Linux Enterprise Server 8, 9
SUSE Linux Firewall on CD/Admin host
SUSE Linux Connectivity Server
SUSE Linux Office Server
Vulnerability Type: remote system compromise
Severity (1-10): 7
SUSE default package: yes
Cross References: CAN-2004-0691
CAN-2004-0692
CAN-2004-0693

Content of this advisory:
1) security vulnerability resolved:
- buffer overflow in image handling code
problem description
2) solution/workaround
3) special instructions and notes
4) package location and checksums
5) pending vulnerabilities, solutions, workarounds:
- opera
- acroread
6) standard appendix (further information)

______________________________________________________________________________

1) problem description, brief discussion

The QT-library is an environment for GUI-programming and is used in
various well-known projects, like KDE.

Chris Evans found a heap overflow in the BMP image format parser
(CAN-2004-0691) which can probably be abused by remote attackers to
execute arbitrary code with the privileges of the user using a
malformed image as input for a vulnerable QT-based application.
Additionally a NULL dereference in the GIF parser (CAN-2004-0693)
was found.
This lead to more research by other people and revealed another NULL
dereference in the XPM parser (CAN-2004-0692) found by Marcus Meissner,
SuSE Security-Team.
The last two bugs can be used to trigger a remote denial-of-service
attack against QT-based applications.


2) solution/workaround

A temporary workaround for this issue is not known.


3) special instructions and notes

After applying the update make sure all QT-based applications are
restarted. It would be best to re-login if you use KDE.


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 9.1:
qt3-3.3.1-36.16.i586.rpm
ee1026d5b6a4a554d95ce9d3626d6bf7
qt3-non-mt-3.3.1-41.14.i586.rpm
ea6c27890eb69d47b54786a727cb782f
qt3-static-3.3.1-41.14.i586.rpm
b965364531163627f34b9a66e6d0b07e
patch rpm(s):
qt3-3.3.1-36.16.i586.patch.rpm
e698670506097dff0f9e61b594bcfeb9
qt3-non-mt-3.3.1-41.14.i586.patch.rpm
e64be5421ff6f1451c2b2dc926f8f081
qt3-static-3.3.1-41.14.i586.patch.rpm
b891c79e3a96538b69417e1aba6e85c4
source rpm(s):
ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/qt3-3.3.1-36.16.src.rpm
7d3b4859cca3548004d4dc0e2cb431a8
qt3-non-mt-3.3.1-41.14.src.rpm
1ebff5e543d7d36cd13670189fe50443
qt3-static-3.3.1-41.14.src.rpm
a14a20c83eedde899af40a88cf60a14a

SUSE Linux 9.0:
ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/qt3-3.2.1-68.i586.rpm
975f35315d69a283355a9734edb323b1
qt3-non-mt-3.2.1-70.i586.rpm
2256aa7e05a0d6f3a055dc915c6823a9
qt3-static-3.2.1-70.i586.rpm
df61777b0ce9dc097c794bcf3d236981
patch rpm(s):
qt3-3.2.1-68.i586.patch.rpm
26cb661048adf99b3633d633347043a7
qt3-non-mt-3.2.1-70.i586.patch.rpm
f36dcd428c96ff5126817d0dfb130816
qt3-static-3.2.1-70.i586.patch.rpm
2bb28c8adac1b2db9a5c024c66095254
source rpm(s):
ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/qt3-3.2.1-68.src.rpm
79e218f9442f1d466d962c1a8c192f6d
qt3-non-mt-3.2.1-70.src.rpm
df6ad6d300013d65cce5907bc4db2cce
qt3-static-3.2.1-70.src.rpm
55a6d43b4e9cb67e3cff9efa6948e28d

SUSE Linux 8.2:
ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/qt3-3.1.1-118.i586.rpm
cdd76473d916801409c2076b5d8cb46a
qt3-non-mt-3.1.1-125.i586.rpm
2cd5ce43cd92a32ad398c951678bfdd4
qt3-static-3.1.1-124.i586.rpm
ec1dd1ddd3386ff6928c6fd865efcf31
patch rpm(s):
qt3-3.1.1-118.i586.patch.rpm
cc95b4f40c3cafb77ecedbd99c820cad
qt3-non-mt-3.1.1-125.i586.patch.rpm
a114f7060501d6b5eab88ed7b97f5da1
qt3-static-3.1.1-124.i586.patch.rpm
7da86919fd126713bb45fc30c8689b0b
source rpm(s):
ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/qt3-3.1.1-118.src.rpm
843966bca098ac9c4e14f07c4cbdfc31
qt3-non-mt-3.1.1-125.src.rpm
ce74982f20ab42826681e6839a6c8985
qt3-static-3.1.1-124.src.rpm
31125b894ab4554760941b92d74d7b24

SUSE Linux 8.1:
ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/qt3-3.0.5-167.i586.rpm
c9d7dc3a5670751d223c64b7e9fb9268
qt3-non-mt-3.0.5-231.i586.rpm
fbab1881ad8cbbb9631a61592a86c271
qt3-static-3.0.5-159.i586.rpm
0e4950eebe57d7fa9994320c74382049
patch rpm(s):
qt3-3.0.5-167.i586.patch.rpm
5925050be240253a7c084ce981c85bc7
qt3-non-mt-3.0.5-231.i586.patch.rpm
62e78b9496aeb0d0840f6a13d7e59785
qt3-static-3.0.5-159.i586.patch.rpm
456b459f8c2ca4faaa0fabe3b334e570
source rpm(s):
qt3-non-mt-3.0.5-231.nosrc.rpm
53c739863f94725f0f9fb5f0a1b9e4fd
qt3-static-3.0.5-159.nosrc.rpm
fe6b13ab4a056648b75597f2727e25d7




x86-64 Platform:

SUSE Linux 9.1:
qt3-3.3.1-36.16.x86_64.rpm
3524b344918baf5355c7c2e0725db323
qt3-non-mt-3.3.1-41.14.x86_64.rpm
6b0e942470d01229251e574dd9d4f96d
qt3-static-3.3.1-41.14.x86_64.rpm
e9d953b5d043b290b3b1cff662f86946
patch rpm(s):
qt3-3.3.1-36.16.x86_64.patch.rpm
d4ad80cb52efb2d135f398e209c52632
qt3-non-mt-3.3.1-41.14.x86_64.patch.rpm
b84ad3c425ba10a37faa9bbba6a060c7
qt3-static-3.3.1-41.14.x86_64.patch.rpm
d53a5b337037a74589b11da4729bfa14
source rpm(s):
qt3-3.3.1-36.16.src.rpm
68a890f08853c1cdc08788a9241d0cbf
qt3-non-mt-3.3.1-41.14.src.rpm
937ee28b2e943d0c8dc0ffe618afb5b1
qt3-static-3.3.1-41.14.src.rpm
95b1ba6fe5ef947376570de538578081

SUSE Linux 9.0:
qt3-3.2.1-68.x86_64.rpm
b2110cb13ee350d616f6558fa719089e
qt3-non-mt-3.2.1-70.x86_64.rpm
2e43ea64c00a319d734dcba439a8b08e
qt3-static-3.2.1-70.x86_64.rpm
1856dbb6ac0a1936766f45bf4de4d1c3
patch rpm(s):
qt3-3.2.1-68.x86_64.patch.rpm
e358d84c5b3cb6633cc932d25f4ab7bf
qt3-non-mt-3.2.1-70.x86_64.patch.rpm
6d7f993e6148b60eaa40dadc5c2b9919
qt3-static-3.2.1-70.x86_64.patch.rpm
0717ffc7d31766e3cba63b5af84b338a
source rpm(s):
ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/src/qt3-3.2.1-68.src.rpm
5091d4b48d52dae0efc4c50e1dffad19
qt3-non-mt-3.2.1-70.src.rpm
24524c12c4315715a925e2d4dee12235
qt3-static-3.2.1-70.src.rpm
c0987ba79b084d5782441890a2a0dacf

______________________________________________________________________________

5) Pending vulnerabilities in SUSE Distributions and Workarounds:

- opera
The web-browser opera is affected by several security bugs. Due to
the nature of this package we are not able to provide security updates
in a timely manner and have to wait for binary packages to be published
by "Opera Software".

- acroread
iDEFENSE reported a buffer overflow and insecure handling of shell
meta-chars in acroread code.
We depend on the release of a new binary package by Adobe.
An update will be available as soon as possible.

______________________________________________________________________________

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>.
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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