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.

(Jun 20)

It was discovered that Quagga, a routing daemon, contains a vulnerability in processing the ORF capability in BGP OPEN messages. A malformed OPEN message from a previously configured BGP peer could cause bgpd to crash, causing a denial of service. [More...]
(Jun 18)

Several issues have been discovered in the MySQL database server. The vulnerabilities are addressed by upgrading MySQL to a new upstream version, 5.1.63, which includes additional changes, such as performance improvements and corrections for data loss defects. These changes are [More...]
(Jun 16)

A buffer overflow was discovered in OpenConnect, a client for the Cisco AnyConnect VPN, which could result in denial of service. For the stable distribution (squeeze), this problem has been fixed in [More...]
Mandriva: 2012:088-1: mozilla (Jun 23)

Security issues were identified and fixed in mozilla firefox and thunderbird: Heap-based buffer overflow in the utf16_to_isolatin1 function in Mozilla Firefox 4.x through 12.0, Firefox ESR 10.x before 10.0.5, [More...]
Mandriva: 2012:099: net-snmp (Jun 21)

A vulnerability has been discovered and corrected in net-snmp: An array index error, leading to out-of heap-based buffer read flaw was found in the way net-snmp agent performed entries lookup in the extension table. When certain MIB subtree was handled by the extend [More...]
Mandriva: 2012:098: libxml2 (Jun 21)

A vulnerability has been discovered and corrected in libxml2: An Off-by-one error in libxml2 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly have unspecified other impact via unknown vectors (CVE-2011-3102). [More...]
Mandriva: 2012:097: python (Jun 20)

Multiple vulnerabilities has been discovered and corrected in python: The _ssl module would always disable the CBC IV attack countermeasure (CVE-2011-3389). [More...]
Mandriva: 2012:096: python (Jun 20)

Multiple vulnerabilities has been discovered and corrected in python: The _ssl module would always disable the CBC IV attack countermeasure (CVE-2011-3389). [More...]
Mandriva: 2012:095: java-1.6.0-openjdk (Jun 18)

Multiple security issues were identified and fixed in OpenJDK (icedtea6): * S7079902, CVE-2012-1711: Refine CORBA data models * S7143617, CVE-2012-1713: Improve fontmanager layout lookup operations [More...]
Mandriva: 2012:094: clamav (Jun 18)

This is a bugfix release that upgrades clamav to the latest version (0.97.5) that resolves the following security issues: The TAR file parser in ClamAV 0.96.4 allows remote attackers to bypass malware detection via a TAR archive entry with a length field that [More...]
Red Hat: 2012:0997-01: 389-ds-base: Moderate Advisory (Jun 20)

Updated 389-ds-base 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...]
Red Hat: 2012:1019-01: 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 6 Supplementary. The Red Hat Security Response Team has rated this update as having critical [More...]
Red Hat: 2012:1009-01: java-1.7.0-openjdk: Important Advisory (Jun 20)

Updated java-1.7.0-openjdk packages that fix several security issues and one bug are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having [More...]
Red Hat: 2012:0987-04: sblim-cim-client2: Low Advisory (Jun 20)

Updated sblim-cim-client2 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 low [More...]
Red Hat: 2012:0973-04: nss, nss-util, and nspr: Moderate Advisory (Jun 20)

Updated nss, nss-util, and nspr packages that fix one security issue, several bugs, and add various enhancements are now available for Red Hat Enterprise Linux 6. [More...]
Red Hat: 2012:0902-04: cifs-utils: Low Advisory (Jun 20)

An updated cifs-utils package that fixes one security issue, multiple bugs, and adds various enhancements is now available for Red Hat Enterprise Linux 6. [More...]
Red Hat: 2012:0958-04: sos: Low Advisory (Jun 20)

An updated sos package that fixes one security issue, several bugs, and adds various enhancements is now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having low [More...]
Red Hat: 2012:0899-04: openldap: Low Advisory (Jun 20)

Updated openldap packages that fix one security issue and several bugs are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having low [More...]
Red Hat: 2012:0939-04: xorg-x11-server: Low Advisory (Jun 20)

Updated xorg-x11-server packages that fix two security issues and several bugs are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having low [More...]
Red Hat: 2012:0884-04: openssh: Low Advisory (Jun 20)

Updated openssh packages that fix one security issue, several bugs, and add various enhancements are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having low [More...]
Red Hat: 2012:0810-04: busybox: Low Advisory (Jun 20)

Updated busybox packages that fix two security issues and several bugs are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having low [More...]
Red Hat: 2012:0813-04: 389-ds-base: Low Advisory (Jun 20)

Updated 389-ds-base packages that fix one security issue, several bugs, and add various enhancements are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having low [More...]
Red Hat: 2012:0880-04: qt: Moderate Advisory (Jun 20)

Updated qt packages that fix two security issues and three bugs 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: 2012:0796-04: rsyslog: Moderate Advisory (Jun 20)

Updated rsyslog packages that fix one security issue, multiple bugs, and add two enhancements 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: 2012:0876-04: net-snmp: Moderate Advisory (Jun 20)

Updated net-snmp packages that fix one security issue and multiple bugs 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: 2012:0811-04: php-pecl-apc: Low Advisory (Jun 20)

Updated php-pecl-apc packages that fix one security issue, several bugs, and add various enhancements are now available for Red Hat Enterprise Linux 6. [More...]
Red Hat: 2012:0774-04: libguestfs: Low Advisory (Jun 20)

Updated libguestfs packages that fix one security issue, several bugs, and add various enhancements are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having low [More...]
Red Hat: 2012:0748-05: libvirt: Low Advisory (Jun 20)

Updated libvirt packages that fix one security issue, multiple bugs, and add various enhancements are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having low [More...]
Red Hat: 2012:0874-04: mysql: Low Advisory (Jun 20)

Updated mysql packages that fix one security issue 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 low [More...]
Red Hat: 2012:0743-01: kernel: Important Advisory (Jun 18)

Updated kernel packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having [More...]
Ubuntu: 1463-4: Thunderbird vulnerabilities (Jun 22)

Several security issues were fixed in Thunderbird.
Ubuntu: 1463-3: Firefox regressions (Jun 20)

USN-1463-1 introduced regressions in Firefox.
Ubuntu: 1482-2: ClamAV regression (Jun 19)

ClamAV could improperly detect malware if it opened a specially crafted file.
Ubuntu: 1481-1: PHP vulnerabilities (Jun 19)

Several security issues were fixed in PHP.
Ubuntu: 1480-1: Raptor vulnerability (Jun 18)

Applications using Raptor could be made to expose sensitive information orrun programs as your login if they opened a specially crafted file.
Ubuntu: 1479-1: FFmpeg vulnerabilities (Jun 18)

FFmpeg could be made to crash or run programs as your login if itopened a specially crafted file.