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Fedora Legacy Update Advisory
Synopsis: Updated samba resolves security vulnerabilities
Advisory ID: FLSA:2102
Issue date: 2004-10-13
Product: Red Hat Linux
Keywords: Security
Cross references: https://bugzilla.fedora.us/show_bug.cgi?id=2102
CVE Names: CAN-2004-0815
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1. Topic:
Updated samba packages that fix an input validation vulnerability are now
available.
Samba provides file and printer sharing services to SMB/CIFS clients.
2. Relevant releases/architectures:
Red Hat Linux 7.3 - i386
Red Hat Linux 9 - i386
3. Problem description:
Karol Wiesek discovered an input validation issue in Samba prior to 3.0.6.
An authenticated user could send a carefully crafted request to the Samba
server, which would allow access to files outside of the configured file
share. Note: Such files would have to be readable by the account used
for the connection. The Common Vulnerabilities and Exposures project
(cve.mitre.org) has assigned the name CAN-2004-0815 to this issue.
Users of Samba should upgrade to these updated packages, which contain an
upgrade to Samba-2.2.12, which 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.
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 - 2102 -
CAN-2004-0815 samba Potential Arbitrary File Access
6. RPMs required:
Red Hat Linux 7.3:
SRPM:
http://download.fedoralegacy.org/redhat/7.3/updates/SRPMS/samba-2.2.12-0.73.2.legacy.src.rpm
i386:
http://download.fedoralegacy.org/redhat/7.3/updates/i386/samba-2.2.12-0.73.2.legacy.i386.rpm
http://download.fedoralegacy.org/redhat/7.3/updates/i386/samba-client-2.2.12-0.73.2.legacy.i386.rpm
http://download.fedoralegacy.org/redhat/7.3/updates/i386/samba-common-2.2.12-0.73.2.legacy.i386.rpm
http://download.fedoralegacy.org/redhat/7.3/updates/i386/samba-swat-2.2.12-0.73.2.legacy.i386.rpm
Red Hat Linux 9:
SRPM:
http://download.fedoralegacy.org/redhat/9/updates/SRPMS/samba-2.2.12-0.90.1.legacy.src.rpm
i386:
http://download.fedoralegacy.org/redhat/9/updates/i386/samba-2.2.12-0.90.1.legacy.i386.rpm
http://download.fedoralegacy.org/redhat/9/updates/i386/samba-client-2.2.12-0.90.1.legacy.i386.rpm
http://download.fedoralegacy.org/redhat/9/updates/i386/samba-common-2.2.12-0.90.1.legacy.i386.rpm
http://download.fedoralegacy.org/redhat/9/updates/i386/samba-swat-2.2.12-0.90.1.legacy.i386.rpm
7. Verification:
SHA1 sum Package Name
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664447fbbf1371174b601099d18102023537ecbf 7.3/updates/SRPMS/samba-2.2.12-0.73.2.legacy.src.rpm
ab34e621cdaa5ad567276244eb2ed2234c418890 7.3/updates/i386/samba-2.2.12-0.73.2.legacy.i386.rpm
aaae87969ae3287e432503cee8fbcb83525d020e 7.3/updates/i386/samba-client-2.2.12-0.73.2.legacy.i386.rpm
728d7f6d68dc837fd874ac870e5d2241e2514a6d 7.3/updates/i386/samba-common-2.2.12-0.73.2.legacy.i386.rpm
3cb01bb47a5fa55151637050f01769898b7dc89c 7.3/updates/i386/samba-swat-2.2.12-0.73.2.legacy.i386.rpm
2968358eb51a4342b520f5494a4013643ba73e1b 9/updates/SRPMS/samba-2.2.12-0.90.1.legacy.src.rpm
dcafbbcb96a0848e8b4017bdf1745c275681db35 9/updates/i386/samba-2.2.12-0.90.1.legacy.i386.rpm
e7fe4b9425d535768fc17464f7879dd1f048a8b2 9/updates/i386/samba-client-2.2.12-0.90.1.legacy.i386.rpm
f590e48b6a9ad6841f7ea96070d08c8151ae12d7 9/updates/i386/samba-common-2.2.12-0.90.1.legacy.i386.rpm
75fbf38b5381ee7cf9b91c5723aa8d66f8e92fbc 9/updates/i386/samba-swat-2.2.12-0.90.1.legacy.i386.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://us4.samba.org/samba/news/#security_2.2.12
http://rhn.redhat.com/errata/RHSA-2004-498.html
9. Contact:
The Fedora Legacy security contact is <secnotice@xxxxxxxxxxxxxxxx>. More
project details at http://www.fedoralegacy.org
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