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.

(Sep 18)

Several vulnerabilities were discovered in Asterisk, a PBX and telephony toolkit, allowing privilege escalation in the Asterisk Manager, denial of service or privilege escalation. [More...]
(Sep 15)

Multiple vulnerabilities have been discovered in devscripts, a set of scripts to make the life of a Debian Package maintainer easier. The following Common Vulnerabilities and Exposures project ids have been assigned to identify them: [More...]
Debian: 2480-4: request-tracker3.8: regression (Sep 15)

The security updates for request-tracker3.8, DSA-2480-1, DSA-2480-2, and DSA-2480-3, contained minor regressions. Namely: * The calendar popup page in Internet Explorer would be blocked by the [More...]
(Sep 13)

Severel vulnerabilities have been discovered in Tor, an online privacy tool. CVE-2012-3518 [More...]
(Sep 13)

Security Report Summary
Mandriva: 2012:153: dhcp (Sep 16)

A security issue was identified and fixed in dhcp: ISC DHCP 4.1.x before 4.1-ESV-R7 and 4.2.x before 4.2.4-P2 allows remote attackers to cause a denial of service (daemon crash) in opportunistic circumstances by establishing an IPv6 lease in [More...]
Mandriva: 2012:152: bind (Sep 13)

A vulnerability was discovered and corrected in bind: A nameserver can be caused to exit with a REQUIRE exception if it can be induced to load a specially crafted resource record (CVE-2012-4244). [More...]
Red Hat: 2012:1282-01: kernel-rt: Moderate Advisory (Sep 19)

Updated kernel-rt packages that fix one security issue, several bugs, and add enhancements are now available for Red Hat Enterprise MRG 2.2. The Red Hat Security Response Team has rated this update as having moderate [More...]
Red Hat: 2012:1269-01: qpid: Moderate Advisory (Sep 19)

Updated qpid 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 moderate [More...]
Red Hat: 2012:1289-01: java-1.7.0-ibm: Critical Advisory (Sep 18)

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: 2012:1288-01: libxml2: Moderate Advisory (Sep 18)

Updated libxml2 packages that fix multiple 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 moderate [More...]
Red Hat: 2012:1284-01: spice-gtk: Moderate Advisory (Sep 17)

Updated spice-gtk 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: 2012:1283-01: openjpeg: Important Advisory (Sep 17)

Updated openjpeg 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 [More...]
Red Hat: 2012:1267-01: bind: Important Advisory (Sep 14)

Updated bind packages that fix one security issue and one bug are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having [More...]
Red Hat: 2012:1268-01: bind: Important Advisory (Sep 14)

Updated bind 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 [More...]
Red Hat: 2012:1266-01: bind97: Important Advisory (Sep 14)

Updated bind97 packages that fix one security issue are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having [More...]
Red Hat: 2012:1265-01: libxslt: Important Advisory (Sep 13)

Updated libxslt 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 [More...]
Red Hat: 2012:1264-01: postgresql: Moderate Advisory (Sep 13)

Updated postgresql packages that fix one security issue 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: 2012:1261-01: dbus: Moderate Advisory (Sep 13)

Updated dbus 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: 2012:1263-01: postgresql and postgresql84: Moderate Advisory (Sep 13)

Updated postgresql84 and postgresql packages that fix two security issues are now available for Red Hat Enterprise Linux 5 and 6 respectively. The Red Hat Security Response Team has rated this update as having moderate [More...]
(Sep 14)

New dhcp packages are available for Slackware 12.1, 12.2, 13.0, 13.1, 13.37, and -current to fix a security issue. [More Info...]
(Sep 14)

New bind packages are available for Slackware 12.1, 12.2, 13.0, 13.1, 13.37, and -current to fix a security issue. [More Info...]
(Sep 14)

New patch packages are available for Slackware 12.1, 12.2, 13.0, 13.1, 13.37, and -current to fix a security issue. [More Info...]
Ubuntu: 1576-1: DBus vulnerability (Sep 20)

DBus could be made to run programs as an administrator.
Ubuntu: 1575-1: Linux kernel (Oneiric backport) vulnerabilities (Sep 19)

Several security issues were fixed in the kernel.
Ubuntu: 1574-1: Linux kernel (Natty backport) vulnerabilities (Sep 19)

Several security issues were fixed in the kernel.
Ubuntu: 1573-1: Linux kernel (EC2) vulnerabilities (Sep 18)

Several security issues were fixed in the kernel.
Ubuntu: 1572-1: Linux kernel vulnerabilities (Sep 18)

Several security issues were fixed in the kernel.
Ubuntu: 1571-1: DHCP vulnerability (Sep 18)

DHCP could be made to crash if it received specially crafted networktraffic.
Ubuntu: 1570-1: GnuPG vulnerability (Sep 17)

GnuPG could be tricked into downloading a different key when downloadingfrom a key server.
Ubuntu: 1568-1: Linux kernel vulnerabilities (Sep 14)

Several security issues were fixed in the kernel.
Ubuntu: 1567-1: Linux kernel vulnerabilities (Sep 14)

Several security issues were fixed in the kernel.
Ubuntu: 1565-1: OpenStack Horizon vulnerability (Sep 13)

OpenStack Horizon could help expose sensitive information.