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Trustix Secure Linux Security Advisory #2007-0026
Package names: apache, clamav, kerberos5, php, rsync, tar, vim
Summary: Multiple vulnerabilities
Date: 2007-09-17
Affected versions: Trustix Secure Linux 2.2
Trustix Secure Linux 3.0
Trustix Secure Linux 3.0.5
Trustix Operating System - Enterprise Server 2
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Package description:
apache
Apache is a full featured web server that is freely available, and also
happens to be the most widely used. Built with loadable modules (all
standard modules enabled). This verion is intended as a replacement for
a standard apache, the configuration files provided with apache and
apache-ssl are unchanged.
clamav
Clam AntiVirus is a GPL anti-virus toolkit for UNIX. The main purpose
of this software is the integration with mail servers (attachment
scanning). The package provides a flexible and scalable multi-threaded
daemon, a command line scanner, and a tool for automatic updating via
Internet. The programs are based on a shared library distributed with
package, which you can use with your own software. Most importantly,
the virus database is kept up to date.
kerberos5
(MIT) Kerberos is a network authentication protocol. It is designed to
provide strong authentication for client/server applications by using
secret-key cryptography. A free implementation of this protocol is
available from the Massachusetts Institute of Technology. Kerberos is
available in many commercial products as well.
php
PHP is an HTML-embedded scripting language. PHP attempts to make it
easy for developers to write dynamically generated web pages. PHP
also offers built-in database integration for several commercial
and non-commercial database management systems, so writing a
database-enabled web page with PHP is fairly simple. The most common
use of PHP coding is probably as a replacement for CGI scripts. The
mod_php module enables the Apache web server to understand and process
the embedded PHP language in web pages.
rsync
Rsync uses a quick and reliable algorithm to very quickly bring
remote and host files into sync. Rsync is fast because it just sends
the differences in the files over the network (instead of sending the
complete files). Rsync is often used as a very powerful mirroring
process or just as a more capable replacement for the rcp command.
A technical report which describes the rsync algorithm is included
in this package.
tar
The GNU tar program saves many files together in one archive and can
restore individual files (or all of the files) from that archive. Tar
can also be used to add supplemental files to an archive and to update
or list files in the archive. Tar includes multivolume support,
automatic archive compression/decompression, the ability to perform
remote archives, and the ability to perform incremental and full
backups.
vim
VIM (VIsual editor iMproved) is an updated and improved version of the
vi editor. Vi was the first real screen-based editor for UNIX, and is
still very popular. VIM improves on vi by adding new features: multiple
windows, multi-level undo, block highlighting and more.
Problem description:
apache < TSL 3.0.5 > < TSL 3.0 > < TSL 2.2 > < TSEL 2>
- SECURITY Fix: A cross-site scripting vulnerability exits in
mod_status.c, when ExtendedStatus is enabled and a public
server-status page is used. This allows remote attackers to inject
arbitrary web script or HTML via unspecified vectors involving
charsets with browsers that perform "charset detection" when the
content-type is not specified.
- Fixes an error in the Multi-Processing Module (MPM) which could be
exploited to send signals to arbitrary processes and cause them to
be terminated.
- A bug was found in the mod_cache module. On sites where caching is
enabled, a remote attacker could send a carefully crafted request
that would cause the Apache child process handling that request to
crash. This could lead to a denial of service if using a threaded
Multi-Processing Module.
The Common Vulnerabilities and Exposures project has assigned the
names CVE-2006-5752, CVE-2007-3304 and CVE-2007-1863 to these issues.
clamav < TSL 3.0.5 > < TSL 3.0 > < TSL 2.2 >
- SECURITY Fix: Some vulnerabilities have been reported in ClamAV,
which can potentially be exploited by malicious people to cause a
DoS (Denial of Service) or to compromise a vulnerable system.
- Included fixes for CVE-2007-4510 and CVE-2007-4560.
kerberos5 < TSL 3.0.5 > < TSL 3.0 >
- SECURITY Fix: A boundary error within the implementation of the
RPCSEC_GSS authentication type exists in the "svcauth_gss_validate()"
function in src/lib/rpc/svc_auth_gss.c. This can be exploited to
cause a stack-based buffer overflow by sending a specially crafted
RPC message to a vulnerable server.
The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CVE-2007-3999 to this issue.
php < TSL 3.0.5 > < TSL 3.0 > < TSL 2.2 >
- New Upstream.
- SECURITY Fix. Some vulnerabilities have been reported in PHP, where
some have unknown impacts and others can be exploited by malicious
users to bypass certain security restrictions (SA26642).
- Includes fixes for CVE-2007-3996, CVE-2007-3378 and CVE-2007-3997.
rsync < TSL 3.0.5 > < TSL 3.0 > < TSL 2.2 > < TSEL 2>
- SECURITY Fix: Sebastian Krahmer has reported a vulnerability in
rsync, caused due to an off-by-one error within the "f_name()"
function in flist.c. This can be exploited to cause a one-byte
stack-based buffer overflow via an overly long directory name.
The Common Vulnerabilities and Exposures project has assigned the
name CVE-2007-4091 this issue.
tar < TSL 3.0.5 > < TSL 3.0 > < TSL 2.2 >
- SECURITY Fix: A vulnerability has been reported in GNU tar, caused
due to an input validation error when extracting tar archives. This
can be exploited to extract files to arbitrary locations outside the
specified directory with the permissions of the user running GNU tar
by using the "//.." directory traversal sequence in a specially
crafted tar archive.
The Common Vulnerabilities and Exposures project has assigned the
name CVE-2007-4131 to this issue.
vim < TSL 3.0.5 > < TSL 3.0 > < TSL 2.2 > < TSEL 2>
- SECURITY Fix: Format string vulnerability in the helptags_one
function in src/ex_cmds.c in Vim, allows user-assisted remote
attackers to execute arbitrary code via format string specifiers
in a help-tags tag in a help file, related to the helptags command.
The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CVE-2007-2953 to this issue.
Action:
We recommend that all systems with this package installed be upgraded.
Please note that if you do not need the functionality provided by this
package, you may want to remove it from your system.
Location:
All Trustix Secure Linux updates are available from
About Trustix Secure Linux:
Trustix Secure Linux is a small Linux distribution for servers. With focus
on security and stability, the system is painlessly kept safe and up to
date from day one using swup, the automated software updater.
Automatic updates:
Users of the SWUP tool can enjoy having updates automatically
installed using 'swup --upgrade'.
Questions?
Check out our mailing lists:
Verification:
This advisory along with all Trustix packages are signed with the
TSL sign key.
This key is available from:
The advisory itself is available from the errata pages at
and
or directly at
MD5sums of the packages:
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Trustix Security Team
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