Linux Advisory Watch: May 10th, 2013
Source: Linuxsecurity Contributors - Posted by Benjamin D. Thomas   
Linux Advisory Watch 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 http://www.foofus.net/jmk/medusa/changelog


  Debian: 2664-1: stunnel4: buffer overflow (May 2)
 

Stunnel, a program designed to work as an universal SSL tunnel for network daemons, is prone to a buffer overflow vulnerability when using the Microsoft NT LAN Manager (NTLM) authentication ("protocolAuthentication = NTLM") together with the 'connect' protocol [More...]


  Mandriva: 2013:163: glibc (May 7)
 

Multiple vulnerabilities has been discovered and corrected in glibc: Buffer overflow in the extend_buffers function in the regular expression matcher (posix/regexec.c) in glibc, possibly 2.17 and earlier, allows context-dependent attackers to cause a denial of [More...]

  Mandriva: 2013:162: glibc (May 7)
 

Multiple vulnerabilities has been discovered and corrected in glibc: Integer overflow in the vfprintf function in stdio-common/vfprintf.c in glibc 2.14 and other versions allows context-dependent attackers to bypass the FORTIFY_SOURCE protection mechanism, conduct format string [More...]

  Mandriva: 2013:161: java-1.7.0-openjdk (May 6)
 

Updated java-1.7.0-openjdk packages fix security vulnerabilities: Multiple flaws were discovered in the font layout engine in the 2D component. An untrusted Java application or applet could possibly use these flaws to trigger Java Virtual Machine memory corruption [More...]

  Mandriva: 2013:160: phpmyadmin (May 3)
 

Updated phpmyadmin package fixes security vulnerabilities: In some PHP versions, the preg_replace\(\) function can be tricked into executing arbitrary PHP code on the server. This is done by passing a crafted argument as the regular expression, containing a [More...]


  Red Hat: 2013:0788-01: subscription-manager: Moderate Advisory (May 6)
 

Updated subscription-manager 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...]


  Ubuntu: 1819-1: OpenJDK 6 vulnerabilities (May 7)
 

Several security issues were fixed in OpenJDK 6.

  Ubuntu: 1817-1: libxml2 vulnerability (May 7)
 

libxml2 could be made to crash or run programs if it opened a speciallycrafted file.

  Ubuntu: 1818-1: Mesa vulnerability (May 7)
 

Mesa could be made to crash or run programs if it processed speciallycrafted data.

  Ubuntu: 1816-1: ClamAV vulnerabilities (May 3)
 

ClamAV could be made to crash or run programs if it opened a speciallycrafted file.

  Ubuntu: 1815-1: Linux kernel vulnerabilities (May 2)
 

Several security issues were fixed in the kernel.

  Ubuntu: 1815-1: Linux kernel vulnerabilities (May 2)
 

Several security issues were fixed in the kernel.

  Ubuntu: 1814-1: Linux kernel (OMAP4) vulnerabilities (May 2)
 

Several security issues were fixed in the kernel.

  Ubuntu: 1813-1: Linux kernel vulnerabilities (May 2)
 

Several security issues were fixed in the kernel.

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