Thank you for reading the Linux Advisory Watch Security Newsletter. The purpose of this document is to provide our readers with a quick summary of each week's vendor security bulletins and pointers on methods to improve the security posture of your open source system. Vulnerabilities affect nearly every vendor virtually every week, so be sure to read through to find the updates your distributor have made available.

LinuxSecurity.com Feature Extras:

Peter Smith Releases Linux Network Security Online - Thanks so much to Peter Smith for announcing on linuxsecurity.com the release of his Linux Network Security book available free online. "In 2005 I wrote a book on Linux security. 8 years later and the publisher has gone out of business. Now that I'm free from restrictions on reproducing material from the book, I have decided to make the entire book available online."

Securing a Linux Web Server - With the significant prevalence of Linux web servers globally, security is often touted as a strength of the platform for such a purpose. However, a Linux based web server is only as secure as its configuration and very often many are quite vulnerable to compromise. While specific configurations vary wildly due to environments or specific use, there are various general steps that can be taken to insure basic security considerations are in place.

  (Mar 2)
 

It was discovered that file, a file type classification tool, contains a flaw in the handling of "indirect" magic rules in the libmagic library, which leads to an infinite recursion when trying to determine the file type of certain files. The Common Vulnerabilities and Exposures project [More...]
  (Feb 23)
 

Several vulnerabilities were discovered in otrs2, the Open Ticket Request System. The Common Vulnerabilities and Exposures project identifies the following problems: [More...]
  (Feb 28)
 

Multiple integer overflow vulnerabilities have been found in ArgyllCMS which could allow attackers to execute arbitrary code.
  (Feb 28)
 

Multiple vulnerabilities have been found in Chrony, possibly allowing remote attackers to cause a Denial of Service condition.
  (Feb 26)
 

A vulnerability in pidgin-knotify might allow remote attackers to execute arbitrary code.
  Red Hat: 2014:0223-01: libtiff: Moderate Advisory (Feb 27)
 

Updated libtiff packages that fix multiple security issues are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having Moderate [More...]
  Red Hat: 2014:0222-01: libtiff: Moderate Advisory (Feb 27)
 

Updated libtiff packages that fix multiple security issues are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having Moderate [More...]
  Red Hat: 2014:0221-01: postgresql92-postgresql: Important Advisory (Feb 27)
 

Updated postgresql92-postgresql packages that fix multiple security issues are now available for Red Hat Software Collections 1. The Red Hat Security Response Team has rated this update as having [More...]
  Red Hat: 2014:0211-01: postgresql84 and postgresql: Important Advisory (Feb 25)
 

Updated postgresql84 and postgresql packages that fix multiple security issues are now available for Red Hat Enterprise Linux 5 and 6 respectively. The Red Hat Security Response Team has rated this update as having [More...]
  Red Hat: 2014:0206-01: openldap: Moderate Advisory (Feb 24)
 

Updated openldap packages that fix one security issue are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having Moderate [More...]
  Red Hat: 2014:0207-01: rubygems: Moderate Advisory (Feb 24)
 

An updated rubygems package that fixes one security issue is now available for Red Hat OpenShift Enterprise 2.0.2. The Red Hat Security Response Team has rated this update as having Moderate [More...]
  (Feb 27)
 

New subversion packages are available for Slackware 14.0, 14.1, and -current to fix denial-of-service issues. [More Info...]
  Ubuntu: 2124-1: OpenJDK 6 vulnerabilities (Feb 27)
 

Several security issues were fixed in OpenJDK 6.
  Ubuntu: 2123-1: file vulnerabilities (Feb 26)
 

File could be made to crash if it processed a specially crafted file.
  Ubuntu: 2122-1: FreeRADIUS vulnerabilities (Feb 26)
 

Several security issues were fixed in FreeRADIUS.
  Ubuntu: 2121-1: GnuTLS vulnerability (Feb 25)
 

GnuTLS incorrectly validated certain intermediate certificates.
  Ubuntu: 2120-1: PostgreSQL vulnerabilities (Feb 24)
 

Several security issues were fixed in PostgreSQL.