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.

(Feb 15)

Jueri Aedla discovered an integer overflow in the libpng PNG library, which could lead to the execution of arbitrary code if a malformed image is processed. [More...]
(Feb 15)

Several vulnerabilities have been discovered in debdiff, a script used to compare two Debian packages, which is part of the devscripts package. The following Common Vulnerabilities and Exposures project ids have been assigned to identify them: [More...]
(Feb 13)

Several vulnerabilities have been discovered in PHP, the web scripting language. The Common Vulnerabilities and Exposures project identifies the following issues: [More...]
(Feb 9)

It was discovered that a malicious CVS server could cause a heap overflow in the CVS client, potentially allowing the server to execute arbitrary code on the client. [More...]
(Feb 9)

Several vulnerabilities have been discovered in Icedove, Debian's variant of the Mozilla Thunderbird code base. CVE-2011-3670 [More...]
Mandriva: 2012:020: phpldapadmin (Feb 15)

A vulnerability has been found and corrected in phpldapadmin: Cross-site scripting (XSS) vulnerability in lib/QueryRender.php in phpLDAPadmin 1.2.2 and earlier allows remote attackers to inject arbitrary web script or HTML via the base parameter in a query_engine [More...]
Mandriva: 2012:019: apr (Feb 14)

A vulnerability has been found and corrected in ASF APR: tables/apr_hash.c in the Apache Portable Runtime (APR) library through 1.4.5 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers [More...]
Mandriva: 2012:018: mozilla-thunderbird (Feb 13)

Use-after-free vulnerability in Mozilla Firefox 10.x before 10.0.1, Thunderbird 10.x before 10.0.1, and SeaMonkey 2.7 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors that trigger failure of an nsXBLDocumentInfo::ReadPrototypeBindings function call, related [More...]
Mandriva: 2012:017: firefox (Feb 12)

Use-after-free vulnerability in Mozilla Firefox 10.x before 10.0.1, Thunderbird 10.x before 10.0.1, and SeaMonkey 2.7 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors that trigger failure of an nsXBLDocumentInfo::ReadPrototypeBindings function call, related [More...]
Mandriva: 2012:016: glpi (Feb 10)

A File Inclusion vulnerability was discovered and corrected in GLPI. This advisory provides the latest version of GLPI (0.80.7) that is not vulnerable to this issue. [More...] _______________________________________________________________________
Mandriva: 2012:015: wireshark (Feb 9)

Multiple file parser and NULL pointer vulnerabilities including a RLC dissector buffer overflow was found and corrected in Wireshark. This advisory provides the latest version of Wireshark (1.6.5 ) which is not vulnerable to these issues. [More...]
Red Hat: 2012:0144-01: flash-plugin: Critical Advisory (Feb 17)

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: 2012:0143-01: xulrunner: Critical Advisory (Feb 16)

Updated xulrunner packages that fix one security issue 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: 2012:0141-01: seamonkey: Critical Advisory (Feb 16)

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 critical [More...]
Red Hat: 2012:0140-01: thunderbird: Critical Advisory (Feb 16)

An updated thunderbird 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 critical [More...]
Red Hat: 2012:0142-01: firefox: Critical Advisory (Feb 16)

An updated firefox package that fixes one security issue is now available for Red Hat Enterprise Linux 4. The Red Hat Security Response Team has rated this update as having critical [More...]
Red Hat: 2012:0139-01: java-1.6.0-sun: Critical Advisory (Feb 16)

Updated java-1.6.0-sun packages that fix several security issues are now available for Red Hat Enterprise Linux 4 Extras, and Red Hat Enterprise Linux 5 and 6 Supplementary. [More...]
Red Hat: 2012:0137-01: texlive: Moderate Advisory (Feb 15)

Updated texlive 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: 2012:0136-01: libvorbis: Important Advisory (Feb 15)

Updated libvorbis 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: 2012:0116-01: kernel: Moderate Advisory (Feb 14)

Updated kernel packages that fix various security issues and several bugs are now available for Red Hat Enterprise Linux 6.1 Extended Update Support. The Red Hat Security Response Team has rated this update as having moderate [More...]
Red Hat: 2012:0135-01: java-1.6.0-openjdk: Critical Advisory (Feb 14)

Updated java-1.6.0-openjdk packages that fix several security issues are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having critical [More...]
Red Hat: 2012:0127-01: mysql: Moderate Advisory (Feb 13)

Updated mysql packages that fix several 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: 2012:0126-01: glibc: Moderate Advisory (Feb 13)

Updated glibc 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: 2012:0125-01: glibc: Moderate Advisory (Feb 13)

Updated glibc packages that fix multiple security issues and one bug 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: 2012:0128-01: httpd: Moderate Advisory (Feb 13)

Updated httpd 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: 2012:0107-01: kernel: Important Advisory (Feb 9)

Updated kernel packages that fix multiple security issues and two bugs are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having [More...]
(Feb 10)

New vsftpd packages are available for Slackware 11.0, 12.0, 12.1, 12.2, 13.0, 13.1, 13.37, and -current to work around a vulnerability in glibc. [More Info...]
(Feb 10)

New php packages are available for Slackware 12.0, 12.1, 12.2, 13.0, 13.1, 13.37, and -current to fix security issues. [More Info...]
(Feb 10)

New httpd packages are available for Slackware 12.0, 12.1, 12.2, 13.0, 13.1, 13.37, and -current to fix security issues. The apr-util package has also been updated to the latest version. [More Info...]
(Feb 10)

New proftpd 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...]
(Feb 10)

New glibc packages are available for Slackware 13.1, 13.37, and -current to fix a security issue. [More Info...]
Ubuntu: 1367-1: libpng vulnerabilities (Feb 16)

libpng could be made to crash or run programs as your login if it opened aspecially crafted file.
Ubuntu: 1284-2: Update Manager regression (Feb 16)

USN-1284-1 introduced a regression in Update Manager.
Ubuntu: 1365-1: Puppet vulnerability (Feb 14)

Puppet would allow unintended access to resources over the network.
Ubuntu: 1364-1: Linux kernel (OMAP4) vulnerabilities (Feb 13)

Several security issues were fixed in the kernel.
Ubuntu: 1363-1: Linux kernel vulnerabilities (Feb 13)

Several security issues were fixed in the kernel.
Ubuntu: 1362-1: Linux kernel vulnerabilities (Feb 13)

Several security issues were fixed in the kernel.
Ubuntu: 1361-1: Linux kernel vulnerabilities (Feb 13)

Several security issues were fixed in the kernel.
Ubuntu: 1358-2: PHP regression (Feb 13)

USN 1358-1 introduced a regression in PHP.
Ubuntu: 1360-1: Firefox vulnerability (Feb 13)

A security vulnerability has been fixed in Firefox.
Ubuntu: 1359-1: Tomcat vulnerabilities (Feb 13)

Tomcat could be made to crash or expose sensitive information if itreceived specially crafted network traffic.
Ubuntu: 1358-1: PHP vulnerabilities (Feb 10)

Multiple vulnerabilities in PHP.