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 28)

Security Report Summary
(Mar 27)

Security Report Summary
(Mar 27)

Security Report Summary
(Mar 26)

Security Report Summary
(Mar 26)

Security Report Summary
(Mar 26)

Security Report Summary
(Mar 24)

Security Report Summary
(Mar 23)

Security Report Summary
(Mar 20)

Security Report Summary
(Mar 27)

PlRPC uses Storable which allows for code execution prior to Authentication
(Mar 26)

A vulnerability in grep could result in execution of arbitrary code or Denial of Service.
(Mar 26)

Multiple buffer overflow flaws in libupnp may allow execution of arbitrary code.
(Mar 20)

Two vulnerabilities have been found in GNU Emacs, possibly leading to user-assisted execution of arbitrary code.
Mandriva: 2014:066: nss (Mar 20)

A vulnerability has been found and corrected in mozilla NSS: In a wildcard certificate, the wildcard character should not be embedded within the U-label of an internationalized domain name. See the last bullet point in RFC 6125, Section 7.2 (CVE-2014-1492). [More...]
Mandriva: 2014:065: apache (Mar 20)

Multiple vulnerabilities has been found and corrected in apache (ASF HTTPD): XML parsing code in mod_dav incorrectly calculates the end of the string when removing leading spaces and places a NUL character outside [More...]
Red Hat: 2014:0330-01: samba and samba3x: Moderate Advisory (Mar 25)

Updated samba3x and samba packages that fix two 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 Moderate [More...]
Red Hat: 2014:0328-01: kernel: Important Advisory (Mar 25)

Updated kernel packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having [More...]
Red Hat: 2014:0322-01: net-snmp: Moderate Advisory (Mar 24)

Updated net-snmp packages that fix two 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: 2014:0321-01: net-snmp: Moderate Advisory (Mar 24)

Updated net-snmp packages that fix one security issue and one bug are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having Moderate [More...]
Ubuntu: 2157-1: ClamAV update (Mar 27)

ClamAV has been updated to a new version.
Ubuntu: 2156-1: Samba vulnerability (Mar 26)

Samba did not properly enforce the password guessing protection mechanism.
Ubuntu: 2155-1: OpenSSH vulnerability (Mar 25)

OpenSSH incorrectly handled environment restrictions with wildcards.
Ubuntu: 2152-1: Apache HTTP Server vulnerabilities (Mar 24)

Apache HTTP server could be made to crash if it received specially craftednetwork traffic.
Ubuntu: 2153-1: initramfs-tools vulnerability (Mar 24)

initramfs-tools used incorrect mount options.
Ubuntu: 2154-1: ca-certificates update (Mar 24)

ca-certificates was updated to the 20130906 package.
Ubuntu: 2151-1: Thunderbird vulnerabilities (Mar 21)

Several security issues were fixed in Thunderbird.