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:

What You Need to Know About Linux Rootkits - Rootkits are a way attackers hide their tracks and keep access to the machines they control. The good rootkits are very hard to detect and remove. They can be running on ones computer and no one can even know they have been running. Read more to learn how to detect them on your system.

Review: A Practical Guide to Fedora and Red Hat Enterprise Linux - Fifth Edition - Mark Sobell again delivers the answers to common Linux administration challenges, and provides thorough and step-by-step instructions to configuring many of the common Linux Internet services in A Practical Guide to Fedora and Red Hat Enterprise Linux, Fifth Edition.

(Aug 31)

Several unauthorised SSL certificates have been found in the wild issued for the DigiNotar Certificate Authority, obtained through a security compromise with said company. Debian, like other software distributors, has as a precaution decided to disable the DigiNotar [More...]
(Aug 31)

An unauthorized SSL certificate has been found in the wild issued the DigiNotar Certificate Authority, obtained through a security compromise with said company. Debian, like other software distributors, has as a precaution decided to disable the DigiNotar [More...]
(Aug 29)

Two issues have been found in the Apache HTTPD web server: CVE-2011-3192 [More...]
Red Hat: 2011:1248-01: ca-certificates: Important Advisory (Sep 2)

An updated ca-certificates package that fixes one security issue is now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having [More...]
Red Hat: 2011:1247-01: rsyslog: Moderate Advisory (Sep 1)

Updated rsyslog packages that fix one security issue 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: 2011:1245-01: httpd: Important Advisory (Aug 31)

Updated httpd packages that fix one security issue are now available for Red Hat Enterprise Linux 4, 5, and 6. The Red Hat Security Response Team has rated this update as having [More...]
Red Hat: 2011:1244-01: seamonkey: Important Advisory (Aug 31)

Updated seamonkey packages that fix one security issue are now available for Red Hat Enterprise Linux 4. The Red Hat Security Response Team has rated this update as having [More...]
Red Hat: 2011:1242-01: firefox: Important Advisory (Aug 31)

Updated firefox packages that fix one security issue are now available for Red Hat Enterprise Linux 4, 5, and 6. The Red Hat Security Response Team has rated this update as having [More...]
Red Hat: 2011:1241-01: ecryptfs-utils: Moderate Advisory (Aug 31)

Updated ecryptfs-utils packages that fix several security issues are now available for Red Hat Enterprise Linux 5 and 6. The Red Hat Security Response Team has rated this update as having moderate [More...]
Red Hat: 2011:1243-01: thunderbird: Important Advisory (Aug 31)

An updated thunderbird package that fixes one security issue is now available for Red Hat Enterprise Linux 4, 5, and 6. The Red Hat Security Response Team has rated this update as having [More...]
Red Hat: 2011:1221-01: samba and cifs-utils: Moderate Advisory (Aug 29)

Updated samba and cifs-utils packages that fix multiple security issues 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...]
Red Hat: 2011:1220-01: samba3x: Moderate Advisory (Aug 29)

Updated samba3x 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: 2011:1219-01: samba: Moderate Advisory (Aug 29)

Updated samba packages that fix multiple security issues are now available for Red Hat Enterprise Linux 4 and 5. The Red Hat Security Response Team has rated this update as having moderate [More...]
(Aug 25)

New php packages are available for Slackware 11.0, 12.0, 12.1, 12.2, 13.0, 13.1, 13.37, and -current to fix security issues. [More Info...]
SuSE: 2011-038: Linux kernel (Sep 1)

The SUSE Linux Enterprise 11 Service Pack 1 kernel was updated to 2.6.32.45 and fixes various bugs and security issues. Following security issues were fixed: CVE-2011-1776: Timo Warns reported an issue in the Linux implementation for GUID partitions. Users with physical access could gain access to [More...]
SuSE: 2011-037: Mozilla Firefox (Aug 29)

Mozilla released a round of security updates. Mozilla Firefox was updated to version 6 on openSUSE 11.4, Mozilla Firefox was updated to version 3.6.20 on openSUSE 11.3 and SUSE Linux Enterprise 10 and 11. Seamonkey was updated to 2.3 on openSUSE 11.3,11.4 [More...]
SuSE: 2011-036: IBM Java 1.4.2 (Aug 29)

IBM Java 1.4.2 SR 13 Fixpack 10 has been released and fixes various bugs and security issues. Following security issues were fixed: CVE-2011-0865: Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 6 Update 25 and earlier, [More...]
Ubuntu: 1197-2: Thunderbird vulnerability (Sep 2)

A certificate authority issued fraudulent certificates.
Ubuntu: 1199-1: Apache vulnerability (Sep 1)

A remote attacker could send crafted input to Apache and cause it to crash.
Ubuntu: 1197-1: Firefox and Xulrunner vulnerability (Aug 31)

A certificate authority issued fraudulent certificates.
Ubuntu: 1185-1: Thunderbird vulnerabilities (Aug 26)

Multiple vulnerabilities have been fixed in Thunderbird.