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 26)

It was discovered that puppet, a centralized configuration management system, did not correctly handle YAML payloads. A remote attacker could use a specially-crafted payload to execute arbitrary code on the puppet master. [More...]
(Jun 26)

Multiple security issues have been found in Iceweasel, Debian's version of the Mozilla Firefox web browser: Multiple memory safety errors, use-after-free vulnerabilities, missing permission checks, incorrect memory handling and other implementaton errors may lead to the execution [More...]
(Jun 25)

Konstantin Belousov and Alan Cox discovered that insufficient permission checks in the memory management of the FreeBSD kernel could lead to privilege escalation. [More...]
(Jun 24)

Timo Sirainen discovered that cURL, an URL transfer library, is prone to a heap overflow vulnerability due to bad checking of the input data in the curl_easy_unescape function. [More...]
Mandriva: 2013:186: puppet (Jun 28)

Updated puppet packages fix remote code execution vulnerability When making REST api calls, the puppet master takes YAML from an untrusted client, deserializes it, and then calls methods on the resulting object. A YAML payload can be crafted to cause the [More...]
Mandriva: 2013:185: perl-Module-Signature (Jun 27)

Updated perl-Module-Signature package fixes CVE-2013-2145 Arbitrary code execution vulnerability in Module::Signature before 0.72 (CVE-2013-2145). [More...] _______________________________________________________________________
Mandriva: 2013:184: perl-Dancer (Jun 27)

Updated perl-Dancer package fixes CVE-2012-5572 A security flaw was found in the way Dancer.pm, lightweight yet powerful web application framework / Perl language module, performed sanitization of values to be used for cookie() and cookies() methods. A [More...]
Mandriva: 2013:183: java-1.7.0-openjdk (Jun 27)

Updated java-1.7.0-openjdk packages fix multiple security vulnerabilities Multiple flaws were discovered in the ImagingLib and the image attribute, channel, layout and raster processing in the 2D [More...]
Mandriva: 2013:182: mesa (Jun 27)

Updated mesa packages fix multiple vulnerabilties An out-of-bounds access flaw was found in Mesa. If an application using Mesa exposed the Mesa API to untrusted inputs (Mozilla Firefox does this), an attacker could cause the application to crash or, [More...]
Mandriva: 2013:181: mesa (Jun 27)

A vulnerability has been discovered and corrected in mesa: Multiple integer overflows in X.org libGLX in Mesa 9.1.1 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the (1) XF86DRIOpenConnection [More...]
Mandriva: 2013:180: curl (Jun 27)

A vulnerability has been discovered and corrected in curl: libcurl is vulnerable to a case of bad checking of the input data which may lead to heap corruption. The function curl_easy_unescape() decodes URL encoded strings to raw binary data. URL encoded octets are [More...]
Mandriva: 2013:179: firefox (Jun 26)

Multiple security issues was 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: 2013:178: nfs-utils (Jun 25)

Updated nfs-utils packages fix security vulnerability It was reported that rpc.gssd in nfs-utils is vulnerable to DNS spoofing due to it depending on PTR resolution for GSSAPI authentication. Because of this, if a user where able to poison DNS to [More...]
Mandriva: 2013:177: dbus (Jun 25)

Updated dbus packages fix security vulnerability. 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 [More...]
Mandriva: 2013:176: kernel (Jun 24)

Multiple vulnerabilities has been found and corrected in the Linux kernel: The scm_set_cred function in include/net/scm.h in the Linux kernel before 3.8.11 uses incorrect uid and gid values during credentials [More...]
Red Hat: 2013:0995-01: Foreman: Important Advisory (Jun 27)

Updated Foreman packages that fix two security issues and multiple bugs are now available for Red Hat OpenStack 3.0 (Grizzly) Preview. The Red Hat Security Response Team has rated this update as having [More...]
Red Hat: 2013:0993-01: openstack-swift: Moderate Advisory (Jun 27)

Updated openstack-swift packages that fix one security issue and one bug are now available for Red Hat OpenStack 3.0 (Grizzly) Preview. The Red Hat Security Response Team has rated this update as having moderate [More...]
Red Hat: 2013:0994-01: openstack-keystone: Important Advisory (Jun 27)

Updated openstack-keystone packages that fix one security issue and various bugs are now available for Red Hat OpenStack 3.0 (Grizzly) Preview. The Red Hat Security Response Team has rated this update as having [More...]
Red Hat: 2013:0992-01: python-keystoneclient: Important Advisory (Jun 27)

Updated python-keystoneclient packages that fix two security issues, one bug, and add one enhancement are now available for Red Hat OpenStack 3.0 (Grizzly) Preview. [More...]
Red Hat: 2013:0982-01: thunderbird: Important Advisory (Jun 25)

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 [More...]
Red Hat: 2013:0983-01: curl: Moderate Advisory (Jun 25)

Updated curl 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: 2013:0981-01: firefox: Critical Advisory (Jun 25)

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: 2013:0964-01: tomcat6: Moderate Advisory (Jun 20)

Updated tomcat6 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: 2013:0963-01: java-1.7.0-oracle: Critical Advisory (Jun 20)

Updated java-1.7.0-oracle 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...]
(Jun 27)

New ruby packages are available for Slackware 13.1, 13.37, 14.0, and -current to fix a security issue. [More Info...]
(Jun 23)

New curl 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: 1892-1: ubuntu-release-upgrader vulnerability (Jun 27)

ubuntu-release-upgrader would crash when attempting to upgrade.
Ubuntu: 1893-1: Subversion vulnerabilities (Jun 27)

Several security issues were fixed in Subversion.
Ubuntu: 1891-1: Thunderbird vulnerabilities (Jun 26)

Several security issues were fixed in Thunderbird.
Ubuntu: 1890-1: Firefox vulnerabilities (Jun 26)

Firefox could be made to crash or run programs as your login if itopened a malicious website.
Ubuntu: 1889-1: HAProxy vulnerability (Jun 20)

HAProxy could be made to crash if it received specially crafted networktraffic.
Ubuntu: 1888-1: Mesa vulnerabilities (Jun 20)

Mesa could be made to crash or run programs as your login if it receivedspecially crafted input.