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:

Password guessing with Medusa 2.0 - Medusa was created by the fine folks at foofus.net, in fact the much awaited Medusa 2.0 update was released in February of 2010. For a complete change log please visit

Password guessing as an attack vector - Using password guessing as an attack vector. Over the years we've been taught a strong password must be long and complex to be considered secure. Some of us have taken that notion to heart and always ensure our passwords are strong. But some don't give a second thought to the complexity or length of our password.

(Nov 23)

Andy Lutomirski discovered that tcsd (the TPM userspace daemon) was missing a of input validation. Using carefully crafted input, it can lead to a denial of service by making the daemon crash with a segmentation fault. [More...]
(Nov 18)

It was discovered that ppm2tiff of the tiff tools, a set of utilities for TIFF manipulation and conversion, is not properly checking the return value of an internal function used in order to detect integer overflows. As a consequence, ppm2tiff suffers of a heap-based buffer overflow. [More...]
(Nov 15)

Several vulnerabilities were discovered in TYPO3, a content management system. This update addresses cross-site scripting, SQL injection, and information disclosure vulnerabilities and corresponds to TYPO3-CORE-SA-2012-005. [More...]
Mandriva: 2012:174: libtiff (Nov 22)

Multiple vulnerabilities was found and corrected in libtiff: Heap-based buffer overflow in tif_pixarlog.c in LibTIFF before 4.0.3 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted TIFF image [More...]
Mandriva: 2012:173: firefox (Nov 21)

Multiple security issue were identified and fixed in mozilla firefox: Mozilla developers identified and fixed several memory safety bugs in the browser engine used in Firefox and other Mozilla-based products. Some of these bugs showed evidence of memory corruption under [More...]
Mandriva: 2012:172: libproxy (Nov 19)

A vulnerability has been discovered and corrected in libproxy: Stack-based buffer overflow in the url::get_pac function in url.cpp in libproxy 0.4.x before 0.4.9 allows remote servers to have an unspecified impact via a large proxy.pac file (CVE-2012-4504). [More...]
Red Hat: 2012:1485-01: java-1.4.2-ibm: Critical Advisory (Nov 22)

Updated java-1.4.2-ibm packages that fix several security issues are now available for Red Hat Enterprise Linux 5 Supplementary. This is the last update of these packages for Red Hat Enterprise Linux 5 Supplementary. [More...]
Red Hat: 2012:1482-01: firefox: Critical Advisory (Nov 20)

Updated firefox 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 critical [More...]
Red Hat: 2012:1481-01: kernel: Low Advisory (Nov 20)

Updated kernel packages that fix one security issue and three bugs are now available for Red Hat Enterprise Linux 5.6 Extended Update Support. The Red Hat Security Response Team has rated this update as having low [More...]
Red Hat: 2012:1483-01: thunderbird: Critical Advisory (Nov 20)

An updated thunderbird package that fixes several security issues is now available for Red Hat Enterprise Linux 5 and 6. The Red Hat Security Response Team has rated this update as having critical [More...]
Red Hat: 2012:1467-01: java-1.7.0-ibm: Critical Advisory (Nov 15)

Updated java-1.7.0-ibm packages that fix several security issues are now available for Red Hat Enterprise Linux 6 Supplementary. The Red Hat Security Response Team has rated this update as having critical [More...]
Red Hat: 2012:1466-01: java-1.6.0-ibm: Critical Advisory (Nov 15)

Updated java-1.6.0-ibm packages that fix several security issues are 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: 2012:1465-01: java-1.5.0-ibm: Critical Advisory (Nov 15)

Updated java-1.5.0-ibm packages that fix several security issues are 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...]
(Nov 22)

New mozilla-thunderbird packages are available for Slackware 13.37, 14.0, and -current to fix security issues. [More Info...]
(Nov 22)

New seamonkey packages are available for Slackware 13.37, 14.0, and -current to fix security issues. [More Info...]
(Nov 22)

New mozilla-firefox packages are available for Slackware 13.37, 14.0, and -current to fix security issues. [More Info...]
Ubuntu: 1639-1: unity-firefox-extension vulnerability (Nov 22)

unity-firefox-extension could be made to crash or run programs as yourlogin if it opened a malicious website.
Ubuntu: 1638-2: ubufox update (Nov 21)

This update provides compatible ubufox packages for the latest Firefox.
Ubuntu: 1638-1: Firefox vulnerabilities (Nov 21)

Several security issues were fixed in Firefox.
Ubuntu: 1636-1: Thunderbird vulnerabilities (Nov 21)

Multiple security issues were fixed in Thunderbird.
Ubuntu: 1637-1: Tomcat vulnerabilities (Nov 21)

Several security issues were fixed in Apache Tomcat.
Ubuntu: 1635-1: libunity-webapps vulnerability (Nov 21)

libunity-webapps could be made to crash or run programs as your login if itopened a malicious website.
Ubuntu: 1632-2: Django regression (Nov 20)

A testsuite regression was fixed in Django.
Ubuntu: 1634-1: Python Keyring vulnerabilities (Nov 20)

Several security issues were fixed in Python Keyring.
Ubuntu: 1632-1: Django vulnerability (Nov 15)

Django could be made to expose sensitive information over the network.
Ubuntu: 1631-1: LibTIFF vulnerabilities (Nov 15)

LibTIFF could be made to crash or run programs as your login if it opened aspecially crafted file.