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| LinuxSecurity.com Linux Advisory Watch |
| August 1st, 2003 Volume 4, Number 30a |
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Editors: Dave Wreski Benjamin Thomas
dave@xxxxxxxxxxxxxxxxx ben@xxxxxxxxxxxxxxxxx
Linux Advisory Watch is a comprehensive newsletter that outlines the
security vulnerabilitiaes that have been announced throughout the week.
It includes pointers to updated packages and descriptions of each
vulnerability.
This week, advisories were released for mnogosearch, perl, sup, conq,
gallery, xtokkaetama, kernel, stunnel, openssh, and kdelibs. The
distributors include Conectiva, Debian, Mandrake, Red Hat, and Turbo
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Last week I wrote about the importance of building a business case for
security projects. We are now in the third quarter, which means it is
time to seriously begin doing research and developing a 2004 budget. For
some, a 2004 budget will just be an extension of 2003. For most others,
2004 will mean a slight increase in money. Companies are increasing
becoming optimistic and are planning accordingly. Is a business case for
each security project enough to justify spending? Several years ago, yes.
However, in today.s volatile climate every penny spent must be justified.
The second piece of justification is a ROI analysis.
What is ROI and why is it important? Simply put, ROI is an acronym for
return on investment. It can be calculated by dividing a project.s net
benefit to an organization by the total cost. A ROI analysis is a
document that is used to show the benefits of a project in quantitative
terms. It can be included as a section in a business case, or presented
separately as an independent document. A ROI analysis may also include
total cost of ownership calculations and a cost/benefit analysis.
To create a successful ROI analysis, several types of information must be
included. In most cases, it is best to begin with an executive summary.
In this, project objectives, signification project factors, and a brief
overview of the project implementation plan should be included. Although
it may be tempting to add details, it is best to remain high-level. The
executive summary is usually the first section read, therefore should not
be overwhelming. Next, a major section of the document should be devoted
to technology. In this, existing technology should be described. What
systems and processes are currently in use? What will remain in use?
What will be removed? Also, a moderately detailed description of new
technology that will be implemented as a result of the project should be
described.
The most significant piece of a ROI analysis is the business analysis.
It should include a description and listing of business drivers (that
which has a positive impact on the business). The business analysis
section should include tables that show initial project investment and
recurring costs. Because the project is security related, it is
particularly important to show costs if no investment.
The ROI analysis should conclude with a short summary that outlines the
monetary benefits of adopting the particular project. It should also
include a brief project overview. Although I.ve given you several ideas of
what should be included in an ROI analysis, it is by no means set in
stone. It is important to remember that the document must be molded to fit
your organization.
Until next time,
Benjamin D. Thomas
ben@xxxxxxxxxxxxxxxxx
Expert vs. Expertise: Computer Forensics and the Alternative OS
No longer a dark and mysterious process, computer forensics have been
significantly on the scene for more than five years now. Despite this,
they have only recently gained the notoriety they deserve.
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+---------------------------------+
| Distribution: Conectiva | ----------------------------//
+---------------------------------+
7/28/2003 - mnogosearch
mulitple vulnerabilities
There are mulitple buffer overflow vulnerabilities in mnogosearch.
http://www.linuxsecurity.com/advisories/connectiva_advisory-3499.html
7/29/2003 - perl
CGI.pm XSS vulnerability
There is a cross site scripting vulnerability in the CGI.pm perl
module.
http://www.linuxsecurity.com/advisories/connectiva_advisory-3500.html
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| Distribution: Debian | ----------------------------//
+---------------------------------+
7/29/2003 - sup
insecure tmp file vulnerability
sup fails to take appropriate securityprecautions when creating
temporary files.
http://www.linuxsecurity.com/advisories/debian_advisory-3501.html
7/30/2003 - xconq
buffer overflow vulnerabilities
Steve Kemp discovered a buffer overflow in xconq, in processing
theUSER environment variable. In the process of fixing this bug,
a similar problem was discovered with the DISPLAY
environment variable.
http://www.linuxsecurity.com/advisories/debian_advisory-3503.html
7/31/2003 - gallery
XSS vulnerability
Larry Nguyen discovered a cross site scripting vulnerability in
gallery,a web-based photo album written in php.
http://www.linuxsecurity.com/advisories/debian_advisory-3504.html
7/31/2003 - xtokkaetama
XSS vulnerability
Steve Kemp discovered two buffer overflows in xtokkaetama, a
puzzlegame, when processing the -display command line option and
theXTOKKAETAMADIR environment variable.
http://www.linuxsecurity.com/advisories/debian_advisory-3505.html
+---------------------------------+
| Distribution: Mandrake | ----------------------------//
+---------------------------------+
7/25/2003 - kernel
kernel packages fix multiple vulnerabilitie
Multiple vulnerabilities were discovered and fixed in the Linux
kernel.
http://www.linuxsecurity.com/advisories/mandrake_advisory-3497.html
+---------------------------------+
| Distribution: Red Hat | ----------------------------//
+---------------------------------+
7/25/2003 - stunnel
Signal vulnerability
Updated stunnel packages are now available for Red Hat Linux 7.1,
7.2, 7.3,and 8.0. These updates correct a potential vulnerability
in stunnel'ssignal handling.
http://www.linuxsecurity.com/advisories/redhat_advisory-3498.html
7/29/2003 - openssh
information leak vulnerability
Under certainconditions, OpenSSH versions prior to 3.6.1p1 reject
an invalidauthentication attempt without first attempting
authentication using PAM.
http://www.linuxsecurity.com/advisories/redhat_advisory-3502.html
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| Distribution: TurboLinux | ----------------------------//
+---------------------------------+
7/31/2003 - kdelibs
authentication vulnerability
Konqueror may unknowingly distribute website authentication
credentials to third parties with links on the password
protected website.
http://www.linuxsecurity.com/advisories/turbolinux_advisory-3506.html
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