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

(Apr 22)

Martin Schobert discovered a stack-based vulnerability in tinc, a virtual private network daemon. When packets are forwarded via TCP, packet length is not checked against [More...]
(Apr 20)

Yamada Yasuharu discovered that cURL, an URL transfer library, is vulnerable to expose potentially sensitive information when doing requests across domains with matching tails. Due to a bug in the tailmatch function when matching domain names, it was possible that [More...]
Mandriva: 2013:153: subversion (Apr 26)

Multiple vulnerabilities has been found and corrected in subversion: Subversion's mod_dav_svn Apache HTTPD server module will use excessive amounts of memory when a large number of properties are set or deleted on a node. This can lead to a DoS. There are no known instances of [More...]
Mandriva: 2013:152: subversion (Apr 26)

Multiple vulnerabilities has been found and corrected in subversion: Subversion's mod_dav_svn Apache HTTPD server module will use excessive amounts of memory when a large number of properties are set or deleted on a node. This can lead to a DoS. There are no known instances of [More...]
Mandriva: 2013:151: curl (Apr 26)

Updated curl packages fix security vulnerability: libcurl is vulnerable to a cookie leak vulnerability when doing requests across domains with matching tails. This vulnerability can be used to hijack sessions in targetted attacks since registering domains [More...]
Mandriva: 2013:150: mysql (Apr 22)

Multiple unspecified vulnerabilites has been found and corrected in mysql. Please read the Oracle Critical Patch Updates pages for further information. The updated packages provides the latest supported mysql version from [More...]
Mandriva: 2013:149: roundcubemail (Apr 22)

A vulnerability has been found and corrected in roundcubemail: A local file inclusion flaw was found in the way RoundCube Webmail, a browser-based multilingual IMAP client, performed validation of the 'generic_message_footer' value provided via web user [More...]
Mandriva: 2013:148: roundcubemail (Apr 22)

Multiple vulnerabilities has been found and corrected in roundcubemail: Cross-site scripting (XSS) vulnerability in Roundcube Webmail 0.8.1 and earlier allows remote attackers to inject arbitrary web script or HTML via the signature in an email (CVE-2012-4668). [More...]
Mandriva: 2013:147: libarchive (Apr 19)

A vulnerability has been found and corrected in libarchive: Fabian Yamaguchi reported a read buffer overflow flaw in libarchive on 64-bit systems where sizeof(size_t) is equal to 8. In the archive_write_zip_data() function in libarchive/ [More...]
Mandriva: 2013:146: icedtea-web (Apr 19)

Multiple vulnerabilities has been discovered and corrected in icedtea-web: It was discovered that the IcedTea-Web plug-in incorrectly used the same class loader instance for applets with the same value of [More...]
Mandriva: 2013:145: java-1.6.0-openjdk (Apr 19)

Multiple security issues were identified and fixed in OpenJDK (icedtea6): Multiple flaws were discovered in the font layout engine in the 2D component. An untrusted Java application or applet could possibly [More...]
Red Hat: 2013:0772-01: mysql: Important Advisory (Apr 25)

Updated mysql packages that fix several security issues are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having [More...]
Red Hat: 2013:0771-01: curl: Moderate Advisory (Apr 24)

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: 2013:0770-01: java-1.6.0-openjdk: Important Advisory (Apr 24)

Updated java-1.6.0-openjdk packages that fix various 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: 2013:0769-01: glibc: Low Advisory (Apr 24)

Updated glibc packages that fix two security issues and two bugs are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having low [More...]
Red Hat: 2013:0744-01: kernel: Important Advisory (Apr 23)

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...]
(Apr 19)

New xorg-server packages are available for Slackware 13.37, 14.0, and -current to fix a security issue. [More Info...]
Ubuntu: 1808-1: Linux kernel (EC2) vulnerabilities (Apr 25)

Several security issues were fixed in the kernel.
Ubuntu: 1807-1: MySQL vulnerabilities (Apr 24)

Several security issues were fixed in MySQL.
Ubuntu: 1804-2: IcedTea-Web regression (Apr 23)

Due to a regression, IcedTea-Web might not be able to access some sites.
Ubuntu: 1806-1: OpenJDK 7 vulnerabilities (Apr 23)

Several security issues were fixed in OpenJDK 7.
Ubuntu: 1805-1: Linux kernel vulnerabilities (Apr 19)

Several security issues were fixed in the kernel.