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Fedora Legacy Update AdvisorySynopsis: GNOME VFS updates address extfs vulnerability Advisory ID: FLSA:1944 Issue date: 2005-02-20 Product: Red Hat Linux Keywords: Security Cross references: https://bugzilla.fedora.us/show_bug.cgi?id=1944 CVE Names: CAN-2004-0494 -----------------------------------------------------------------------
----------------------------------------------------------------------- 1. Topic:
Updated GNOME VFS packages that remove potential extfs-related vulnerabilities are now available.
2. Relevant releases/architectures:
Red Hat Linux 7.3 - i386 Red Hat Linux 9 - i386
3. Problem description:
GNOME VFS is the GNOME virtual file system. It provides a modular architecture and ships with several modules that implement support for file systems, HTTP, FTP, and others. The extfs backends make it possible to implement file systems for GNOME VFS using scripts.
Flaws have been found in several of the GNOME VFS extfs backend scripts. Red Hat Linux ships with vulnerable scripts, but they are not used by default. An attacker who is able to influence a user to open a specially-crafted URI using gnome-vfs could perform actions as that user. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2004-0494 to this issue.
Users of Red Hat Linux should upgrade to these updated packages, which remove these unused scripts.
4. Solution:
Before applying this update, make sure all previously released errata relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those RPMs which are currently installed will be updated. Those RPMs which are not installed but included in the list will not be updated. Note that you can also use wildcards (*.rpm) if your current directory *only* contains the desired RPMs.
Please note that this update is also available via yum and apt. Many people find this an easier way to apply updates. To use yum issue:
yum update
or to use apt:
apt-get update; apt-get upgrade
This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. This assumes that you have yum or apt-get configured for obtaining Fedora Legacy content. Please visit http://www fedoralegacy.org/docs for directions on how to configure yum and apt-get.
5. Bug IDs fixed:
http://bugzilla.fedora.us - 1944 - CAN-2004-0494 GNOME VFS extfs vulnerability
6. RPMs required:
Red Hat Linux 7.3:
SRPM: http://download.fedoralegacy.org/redhat/7.3/updates/SRPMS/gnome-vfs-1.0.5-4.1.legacy.src.rpm
i386: http://download.fedoralegacy.org/redhat/7.3/updates/i386/gnome-vfs-1.0.5-4.1.legacy.i386.rpm http://download.fedoralegacy.org/redhat/7.3/updates/i386/gnome-vfs-devel-1.0.5-4.1.legacy.i386.rpm
Red Hat Linux 9:
SRPM: http://download.fedoralegacy.org/redhat/9/updates/SRPMS/gnome-vfs-1.0.5-13.1.legacy.src.rpm http://download.fedoralegacy.org/redhat/9/updates/SRPMS/gnome-vfs2-2.2.2-4.1.legacy.src.rpm
i386: http://download.fedoralegacy.org/redhat/9/updates/i386/gnome-vfs-1.0.5-13.1.legacy.i386.rpm http://download.fedoralegacy.org/redhat/9/updates/i386/gnome-vfs2-2.2.2-4.1.legacy.i386.rpm http://download.fedoralegacy.org/redhat/9/updates/i386/gnome-vfs2-devel-2.2.2-4.1.legacy.i386.rpm http://download.fedoralegacy.org/redhat/9/updates/i386/gnome-vfs-devel-1.0.5-13.1.legacy.i386.rpm
7. Verification:
SHA1 sum Package Name ------------------------------------------------------------------------
1b2e233aa6ae55ae23a6789fb13c5b6448a2a949 7.3/updates/i386/gnome-vfs-1.0.5-4.1.legacy.i386.rpm
7a651d8d5ddfc1838664551c97f0326a385f80d1 7.3/updates/i386/gnome-vfs-devel-1.0.5-4.1.legacy.i386.rpm
95d81f3f9744e57c41b80057fd9c1d210cb3f772 7.3/updates/SRPMS/gnome-vfs-1.0.5-4.1.legacy.src.rpm
0c4d06767ec7ffefbcdb77b66f8845502204d5da 9/updates/i386/gnome-vfs-1.0.5-13.1.legacy.i386.rpm
8f5c82ba289b2e7b51079af4867ddddaf66006d4 9/updates/i386/gnome-vfs2-2.2.2-4.1.legacy.i386.rpm
65650947bcc05f583b0833ad429e8204e7533fa2 9/updates/i386/gnome-vfs2-devel-2.2.2-4.1.legacy.i386.rpm
e702fbcd55b20e6208fe460eb83035173e25a1c4 9/updates/i386/gnome-vfs-devel-1.0.5-13.1.legacy.i386.rpm
5a6db00010fefa6117f5b417262279c7d2645a6a 9/updates/SRPMS/gnome-vfs-1.0.5-13.1.legacy.src.rpm
b48bb8e86f9300f2a0b6da398bf3004cba2c19c3 9/updates/SRPMS/gnome-vfs2-2.2.2-4.1.legacy.src.rpm
These packages are GPG signed by Fedora Legacy for security. Our key is available from http://www.fedoralegacy org/about/security.php
You can verify each package with the following command:
rpm --checksig -v <filename>
If you only wish to verify that each package has not been corrupted or tampered with, examine only the sha1sum with the following command:
sha1sum <filename>
8. References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0494
9. Contact:
The Fedora Legacy security contact is <secnotice@xxxxxxxxxxxxxxxx>. More project details at http://www.fedoralegacy.org
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