November 25, 2005

Linux Advisory Watch - November 25th 2005

Author: Benjamin D. Thomas

This week, advisories were released for phpgroupware, egroupware, fetchmail, gnump3d, common-lisp-controller, xmail, unzip, netpbm, mantis, fetchmail-ssl, sylpheed, ipmenu, horde3, zope, Smb4k, mtab, phpSysInfo, eix, php, drakxtools, binutils, and fuse. The distributors include Debian, Gentoo, Mandriva.

Administration Notes
By: Benjamin Thomas

Knowing that your servers are up-to-date is a good way to help ensure that you will have uninterrupted holidays. What else can assure you that operations will run smoothly during time off? There are many pieces to the equation that are important. One of the most significant aspects is using servers that are properly configured and hardened. In addition, proper server administration procedures must be followed. While many intrusions are a result of vulnerable packages, a large number of them can also be attributed to improper software configuration and administration. This burden falls on the administrator. What can be done to reduce the risk of improper software configuration?

The easiest way, is to look for a pre configured or specialized security distribution. Because I am a long time contributor to EnGarde Secure Linux, I am biased in this recommendation. However, I personally feel that using a distribution such as EnGarde will dramatically improve your organization's security stance with very little time, effort, and money invested. You'll find that with EnGarde, administration becomes easy. I have used it for years and now I find myself becoming lazy when it comes to using other systems. I find myself not wanting to do anything manually. Administration has become easy and now it is possible to concentrate on more intellectually stimulating projects. A specialized distribution is ideal for administrators with multiple systems to maintain in a critical environment. More information can be found out about EnGarde at: www.engardelinux.org

If you've only installed Linux and Apache to host a personal Web site, or you are just looking to learn the inter workings of security and administration. I recommend finding a good Linux security book. An interesting book that I recently had the pleasure of reading is titled Linux Security Toolkit, by David Bandel. It covers host security, network security, firewalls & specialized security software, and Linux security auditing. It is easy to read and suitable for administrators wishing to concentrate on security. Like most books published today, it is not suitable for the seasoned administrator. Although the book is well written, it is not full of cutting edge knowledge. If you're looking to learn more about security, I recommend taking a look. It is available used through Amazon.com at a very reasonable price.


   Debian
  Debian: New phpgroupware packages fix
several vulnerabilities
  17th, November, 2005
Updated package.
 
  Debian: New egroupware packages fix several
vulnerabilities
  17th, November, 2005
Updated package.
 
  Debian: New fetchmail packages fix potential
information leak
  18th, November, 2005
Updated package.
 
  Debian: New gnump3d packages fix several
vulnerabilities
  19th, November, 2005
Updated package.
 
  Debian: New common-lisp-controller packages
fix arbitrary code injection
  21st, November, 2005
Updated package.
 
  Debian: New xmail packages fix arbitrary
code execution
  21st, November, 2005
Updated package.
 
  Debian: New fetchmail packages fix potential
information leak
  21st, November, 2005
Updated package.
 
  Debian: New unzip packages fix unauthorised
permissions modification
  21st, November, 2005
Updated package.
 
  Debian: New netpbm packages fix arbitrary
code execution
  21st, November, 2005
Updated package.
 
  Debian: New mantis packages fix several
vulnerabilities
  22nd, November, 2005
Updated package.
 
  Debian: New fetchmail-ssl packages fix
potential information leak
  22nd, November, 2005
Updated package.
 
  Debian: New sylpheed packages fix arbitrary
code execution
  22nd, November, 2005
Updated package.
 
  Debian: New ipmenu packages fix insecure
temporary file creation
  23rd, November, 2005
Updated package.
 
  Debian: New sylpheed-claws packages fix
arbitrary code execution
  23rd, November, 2005
Updated package.
 
  Debian: New horde3 packages fix cross-site
scripting
  23rd, November, 2005
Updated package.
 
  Debian: New zope2.7 packages fix arbitrary
file inclusion
  24th, November, 2005
Updated package.
 
   Gentoo
  Gentoo: Smb4k Local unauthorized file
access
  18th, November, 2005
A vulnerability has been identified that allows unauthorized
access to the contents of /etc/sudoers and /etc/super.tab files.
 
  Gentoo: GNUMP3d Directory traversal and
insecure temporary
  21st, November, 2005
Two vulnerabilities have been identified in GNUMP3d allowing
for limited directory traversal and insecure temporary file creation.
 
  Gentoo: FUSE mtab corruption through
fusermount
  22nd, November, 2005
The fusermount utility from FUSE can be abused to corrupt the
/etc/mtab file contents, potentially allowing a local attacker to set
unauthorized mount options.
 
  Gentoo: phpSysInfo Multiple vulnerabilities
  22nd, November, 2005
phpSysInfo is vulnerable to multiple issues, including a local
file inclusion leading to information disclosure and the potential execution
of arbitrary code.
 
  Gentoo: eix Insecure temporary file creation
  22nd, November, 2005
eix has an insecure temporary file creation vulnerability, potentially
allowing a local user to overwrite arbitrary files.
 
  Gentoo: Horde Application Framework XSS
vulnerability
  22nd, November, 2005
The Horde Application Framework is vulnerable to a cross-site
scripting vulnerability which could lead to the compromise of the victim's
browser content.
 
   Mandriva
  Mandriva: Updated php packages fix multiple
vulnerabilities
  17th, November, 2005
Updated package.
 
  Mandriva: Updated file package fixes
segfault
  18th, November, 2005
A bug in the file program would cause it to segfault on the
x86_64 architecture on certain files. This update corrects the problem.
 
  Mandriva: Updated drakxtools packages
fix various bugs
  18th, November, 2005
A number of bugs have been fixed in this new drakxtools package.
 
  Mandriva: Updated gdk-pixbuf/gtk+2.0
packages fix vulnerability
  18th, November, 2005
A heap overflow vulnerability in the GTK+ gdk-pixbuf XPM image
rendering library could allow for arbitrary code execution.
 
  Mandriva: Updated binutils packages fix
vulnerabilities
  23rd, November, 2005
Integer overflows in various applications in the binutils package
may allow attackers to execute arbitrary code via a carefully crafted
object file. The updated packages have been patched to help address these
problems.
 
  Mandriva: Updated fuse packages fix vulnerability
  24th, November, 2005
Thomas Beige found that fusermount failed to securely handle
special characters specified in mount points, which could allow a local
attacker to corrupt the contents of /etc/mtab by mounting over a maliciously-named
directory using fusermount.
 

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