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Sicherheit: Unsichere Verwendung von /tmp in gnorpm
Aktuelle Meldungen Distributionen
Name: Unsichere Verwendung von /tmp in gnorpm
ID: SuSE-SA:2000:040
Distribution: SUSE
Plattformen: Keine Angabe
Datum: Mo, 16. Oktober 2000, 13:00
Referenzen: Keine Angabe
Applikationen: GnoRPM

Originalnachricht

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

______________________________________________________________________________

SuSE Security Announcement

Package: gnorpm
Advisory-ID: SuSE-SA:2000:040
Date: Monday, October 16th, 2000 15:45 MEST
Affected SuSE versions: 6.0, 6.1, 6.2, 6.3, 6.4, 7.0
Vulnerability Type: tmp race / local file overwrite
Severity (1-10): 4
SuSE default package: no
Other affected systems: Systems using gnorpm

Content of this advisory:
1) security vulnerability resolved: gnorpm
problem description, discussion, solution and upgrade information
2) pending vulnerabilities, solutions, workarounds
3) standard appendix (further information)

______________________________________________________________________________

1) problem description, brief discussion, solution, upgrade information

gnorpm is a graphical user interface to the rpm subsystem for the
gnome desktop.

Insecure temporary file handling may cause the gnorpm package to
overwrite arbitrary files on the system. As a workaround solution
it is recommended to make sure that no active user processes on the
system while performing software updates with gnorpm. This can be
accomplished by bringing the linux system down to runlevel 1
(multi-user without network) and starting the network by hand
(rci4l_hardware start; rci4l start;rcnetwork start; rcroute start).

IMPORTANT NOTE:
SuSE provides update packages for the vulnerable gnorpm package.
However, tests have revealed that the new gnorpm version from Alan Cox
does not work reliably with the rpm subsystem in older SuSE
distributions. Adding patches to these gnorpm versions has proven to
not increase the reliability of the package either. For this reason we
do not provide update packages for the SuSE distributions prior to
(and including) SuSE-6.3. Please update your system to a more recent
base installation (SuSE-7.0 recommended) or use the workaround as
described above if you need to use gnorpm in a multi user and possibly
hostile environment.

Download the update package from locations desribed below and install
the package with the command `rpm -Fhv file.rpm'. The md5sum for each
file is in the line below. You can verify the integrity of the rpm
files using the command
`rpm --checksig --nogpg file.rpm',
independently from the md5 signatures below.


i386 Intel Platform:

SuSE-7.0
ftp://ftp.suse.com/pub/suse/i386/update/7.0/gnm3/gnorpm-0.95-3.i386.rpm
6aa5ea031f48d903bf3fb4e2328fc4c7
source rpm:
ftp://ftp.suse.com/pub/suse/i386/update/7.0/zq1/gnorpm-0.95-3.src.rpm
a6df0b51a50b0f82a1d0e77d46587d82

SuSE-6.4
ftp://ftp.suse.com/pub/suse/i386/update/6.4/gnm3/gnorpm-0.95-3.i386.rpm
2f47a772c634c35d989078287668e67d
source rpm:
ftp://ftp.suse.com/pub/suse/i386/update/6.4/zq1/gnorpm-0.95-3.src.rpm
04a7c41f0537ef513495efc49c105b1b


Sparc Platform:

SuSE-7.0
ftp://ftp.suse.com/pub/suse/sparc/update/7.0/gnm3/gnorpm-0.9-159.sparc.rpm
467a2839f7df52c31eb42b97ebb8dd0d
source rpm:
ftp://ftp.suse.com/pub/suse/sparc/update/7.0/zq1/gnorpm-0.9-159.src.rpm
eb09af61e93eab32a55c6538d0b45bc4



AXP Alpha Platform:

SuSE-6.4
ftp://ftp.suse.com/pub/suse/axp/update/6.4/gnm3/gnorpm-0.95-4.alpha.rpm
b99a121e1469f958413b26eef1fd7ce9
source rpm:
ftp://ftp.suse.com/pub/suse/axp/update/6.4/zq1/gnorpm-0.95-4.src.rpm
a65ba20f86d5d0693ecc3e77520ff584



PPC Power PC Platform:

SuSE-6.4
ftp://ftp.suse.com/pub/suse/ppc/update/6.4/gnm3/gnorpm-0.95-3.ppc.rpm
9ad07eb2c2c437ed427d8ec5cb2b8439
source rpm:
ftp://ftp.suse.com/pub/suse/ppc/update/6.4/zq1/gnorpm-0.95-3.src.rpm
ffdb55e153b7e07cad91830eafb088b9

______________________________________________________________________________

2) Pending vulnerabilities in SuSE Distributions and Workarounds:

A set of security announcements is following this advisory.

______________________________________________________________________________

3) standard appendix:

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 annoucements 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>.
===============================================

Regards,
Roman Drahtmüller.
--
- -
| Roman Drahtmüller <draht@suse.de> // "Caution: Cape
does |
SuSE GmbH - Security Phone: // not enable user to fly."
| Nürnberg, Germany +49-911-740530 // (Batman Costume warning label) |
- -
______________________________________________________________________________

The information in this advisory may be distributed or reproduced,
provided that the advisory is not modified in any way.
SuSE GmbH makes no warranties of any kind whatsoever with respect
to the information contained in this security advisory.

Type Bits/KeyID Date User ID
pub 2048/3D25D3D9 1999/03/06 SuSE Security Team <security@suse.de>

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