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:

Demystifying the Chinese Hacking Industry: Earning 6 Million a Night - An Interview with a Member of the Chown Group (COG) about the billion dollar hacking business in China

Free Online security course (LearnSIA) - A Call for Help - The Survivability and Information Assurance (SIA) course was originally developed by a team at Carnegie Mellon, led by Lawrence Rogers (/about/divisions/cert/index.cfm). Back in 2010, I requested a license to continue the development of the course because it provides useful information on Information Assurance. Also, this course will always be freely available for anyone to use in the classroom or self-study. There are three parts to the LearnSIA curriculum.

(Nov 9)

Several weak certificates were issued by Malaysian intermediate CA "Digicert Sdn. Bhd." This event, along with other issues, has lead to Entrust Inc. and Verizon Cybertrust to revoke the CA's cross-signed certificates. [More...]
(Nov 9)

Several vulnerabilities have been found in the Iceape internet suite, an unbranded version of Seamonkey: CVE-2011-3647 [More...]
(Nov 9)

Several vulnerabilities have been discovered in Iceweasel, a web browser based on Firefox. The included XULRunner library provides rendering services for several other applications included in Debian. [More...]
(Nov 7)

magnum discovered that the blowfish password hashing used amongst others in PostgreSQL contained a weakness that would give passwords with 8 bit characters the same hash as weaker equivalents. [More...]
(Nov 7)

Multiple vulnerabilities were found in the ffmpeg, a multimedia player, server and encoder: CVE-2011-3362 [More...]
(Nov 7)

This update to the NSS cryptographic libraries revokes the trust in the "DigiCert Sdn. Bhd" certificate authority. More information can be found in the Mozilla Security Blog: https://blog.mozilla.org/security/2011/11/03/revoking-trust-in-digicert-sdn-bhd-intermediate-certificate-authority/ [More...]
(Nov 7)

Several cross-site scripting and information disclosure issues have been fixed in Moodle, a course management system for online learning: * MSA-11-0020 Continue links in error messages can lead offsite [More...]
(Nov 6)

Several vulnerabilities were discovered in the Xen virtual machine hypervisor. CVE-2011-1166 [More...]
(Nov 5)

Tim Starling discovered that the Debian-native CGI wrapper for man2html, a program to convert UNIX man pages to HTML, is not properly escaping user-supplied input when displaying various error messages. A remote attacker can exploit this flaw to conduct cross-site scripting (XSS) [More...]
(Nov 4)

Several vulnerabilities were discovered in Mahara, an electronic portfolio, weblog, and resume builder: CVE-2011-2771 [More...]
(Nov 5)

=======Multiple vulnerabilities have been found in the Oracle JRE/JDK,allowing attackers to cause unspecified impact.
Mandriva: 2011:169: mozilla (Nov 9)

Security issues were identified and fixed in mozilla NSS, firefox and thunderbird: 22 weak 512-bit certificates issued by the DigiCert Sdn. Bhd certificate authority has been revoked from the root CA storage. This [More...]
Mandriva: 2011:168: apache (Nov 9)

A vulnerability has been discovered and corrected in apache: The mod_proxy_ajp module in the Apache HTTP Server before 2.2.21, when used with mod_proxy_balancer in certain configurations, allows remote attackers to cause a denial of service (temporary error state [More...]
Mandriva: 2011:168: apache (Nov 9)

A vulnerability has been discovered and corrected in apache: The mod_proxy_ajp module in the Apache HTTP Server before 2.2.21, when used with mod_proxy_balancer in certain configurations, allows remote attackers to cause a denial of service (temporary error state [More...]
Mandriva: 2011:167: gimp (Nov 4)

A vulnerability has been discovered and corrected in gimp: The LZW decompressor in the LWZReadByte function in giftoppm.c in the David Koblas GIF decoder in PBMPLUS, as used in the gif_read_lzw function in filter/image-gif.c in CUPS before 1.4.7, the LZWReadByte [More...]
Mandriva: 2011:166: php (Nov 3)

A vulnerability has been identified and fixed in php: The is_a function in PHP 5.3.7 and 5.3.8 triggers a call to the __autoload function, which makes it easier for remote attackers to execute arbitrary code by providing a crafted URL and leveraging [More...]
Mandriva: 2011:165: php (Nov 3)

Multiple vulnerabilities has been identified and fixed in php: Use-after-free vulnerability in the substr_replace function in PHP 5.3.6 and earlier allows context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified [More...]
Red Hat: 2011:1445-01: flash-plugin: Critical Advisory (Nov 11)

An updated Adobe Flash Player package that fixes multiple security issues is now available for Red Hat Enterprise Linux 5 and 6 Supplementary. The Red Hat Security Response Team has rated this update as having critical [More...]
Red Hat: 2011:1444-01: nss: Important Advisory (Nov 9)

Updated nss 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: 2011:1440-01: seamonkey: Moderate Advisory (Nov 8)

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 moderate [More...]
Red Hat: 2011:1441-01: icedtea-web: Moderate Advisory (Nov 8)

Updated icedtea-web 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: 2011:1438-01: thunderbird: Moderate Advisory (Nov 8)

An updated thunderbird package that fixes one security issue is now available for Red Hat Enterprise Linux 4 and 5. The Red Hat Security Response Team has rated this update as having moderate [More...]
Red Hat: 2011:1439-01: thunderbird: Critical Advisory (Nov 8)

An updated thunderbird package that fixes multiple security issues is now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having critical [More...]
Red Hat: 2011:1437-01: firefox: Critical Advisory (Nov 8)

Updated firefox packages that fix multiple security issues are now available for Red Hat Enterprise Linux 4, 5, and 6. The Red Hat Security Response Team has rated this update as having critical [More...]
Red Hat: 2011:1434-01: acroread: Critical Advisory (Nov 8)

Updated acroread packages that fix multiple security issues are now available for Red Hat Enterprise Linux 4 Extras and Red Hat Enterprise Linux 5 and 6 Supplementary. [More...]
Red Hat: 2011:1424-01: perl: Moderate Advisory (Nov 3)

Updated perl packages that fix two 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...]
Ubuntu: 1251-1: Firefox and Xulrunner vulnerabilities (Nov 10)

Multiple vulnerabilities have been fixed in Firefox and Xulrunner.
Ubuntu: 1258-1: ClamAV vulnerability (Nov 10)

ClamAV could be made to crash or run programs as your login if it opened aspecially crafted file.
Ubuntu: 1257-1: radvd vulnerabilities (Nov 10)

radvd could be made to crash or overwrite certain files if it receivedspecially crafted network traffic.
Ubuntu: 1256-1: Linux kernel (Natty backport) vulnerabilities (Nov 9)

Several security issues were fixed in the kernel.
Ubuntu: 1255-1: libmodplug vulnerabilities (Nov 9)

libmodplug could be made to crash or run programs as your login if itopened a specially crafted file.
Ubuntu: 1253-1: Linux kernel vulnerabilities (Nov 8)

Several security issues were fixed in the kernel.
Ubuntu: 1252-1: Tomcat vulnerabilities (Nov 8)

Tomcat could be made to crash or expose sensitive information over thenetwork.