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:

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.

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

(Jun 13)

Alexandru Cornea discovered a vulnerability in libdbus caused by an implementation bug in _dbus_printf_string_upper_bound(). This vulnerability can be exploited by a local user to crash system services that use libdbus, causing denial of service. Depending on the dbus [More...]
(Jun 10)

Several vulnerabilities have been discovered in the chromium web browser. CVE-2013-2855 [More...]
(Jun 10)

Jibbers McGee discovered that pymongo, a high-performance schema-free document-oriented data store, is prone to a denial-of-service vulnerability. An attacker can remotely trigger a NULL pointer dereference causing MongoDB [More...]
(Jun 9)

It was discovered that applications using the mesa library, a free implementation of the OpenGL API, may crash or execute arbitrary code due to an out of bounds memory access in the library. This vulnerability only affects systems with Intel chipsets. [More...]
(Jun 9)

Several vulnerabilities were discovered in Subversion, a version control system. The Common Vulnerabilities and Exposures project identifies the following problems: [More...]
Mandriva: 2013:172: wireshark (Jun 12)

Multiple vulnerabilities has been found and corrected in wireshark: * The ASN.1 BER dissector could crash (CVE-2013-3557). * The CAPWAP dissector could crash (CVE-2013-4074). * The HTTP dissector could overrun the stack (CVE-2013-4081). [More...]
Red Hat: 2013:0942-01: krb5: Moderate Advisory (Jun 12)

Updated krb5 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 moderate [More...]
Red Hat: 2013:0944-01: python-keystoneclient: Moderate Advisory (Jun 12)

Updated python-keystoneclient packages that fix one security issue and multiple bugs are now available for Red Hat OpenStack 3.0 (Grizzly) Preview. [More...]
Red Hat: 2013:0941-01: flash-plugin: Critical Advisory (Jun 12)

An updated Adobe Flash Player package that fixes one security issue 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: 2013:0928-01: kernel: Important Advisory (Jun 11)

Updated kernel packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 6.3 Extended Update Support. The Red Hat Security Response Team has rated this update as having [More...]
Red Hat: 2013:0911-01: kernel: Important Advisory (Jun 10)

Updated kernel packages that fix three security issues, several bugs, and add one enhancement are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having [More...]
(Jun 10)

New php packages are available for Slackware 12.1, 12.2, 13.0, 13.1, 13.37, 14.0, and -current to fix a security issue. [More Info...]
Ubuntu: 1873-1: telepathy-gabble vulnerabilities (Jun 12)

Several security issues were fixed in telepathy-gabble.
Ubuntu: 1872-1: PHP vulnerability (Jun 11)

PHP could be made to crash or run programs if it received specially craftedinput.
Ubuntu: 1871-1: xserver-xorg-video-openchrome vulnerability (Jun 10)

Several security issues were fixed in xserver-xorg-video-openchrome.