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:

Using the sec-wall Security Proxy - This article full of examples will show you various ways to test services secured using sec-wall, a feature-packed high performance security proxy. We'll be using cURL, a popular Linux command line tool and PycURL - a Python interface to cURL. As of version 1.0, sec-wall supports HTTP Basic auth, digest auth, custom HTTP headers, XPath-based authentication, WS-Security & SSL/TLS client certificates and each of the options is being shown below.

sec-wall: Open Source Security Proxy - sec-wall, a recently released security proxy is a one-stop place for everything related to securing HTTP/HTTPS traffic. Designed as a pragmatic solution to the question of securing servers using SSL/TLS certificates, WS-Security, HTTP Basic/Digest Auth, custom HTTP headers, XPath expressions with an option of modifying HTTP headers and URLs on the fly.

(Jul 7)

Will Dormann and Jared Allar discovered that the Lotus Word Pro import filter of OpenOffice.org, a full-featured office productivity suite that provides a near drop-in replacement for Microsoft(R) Office, is not properly handling object ids in the ".lwp" file format. An attacker can [More...]
(Jul 7)

Huzaifa Sidhpurwala, David Maciejak and others discovered several vulnerabilities in the X.509if and DICOM dissectors and in the code to process various capture and dictionary files, which could lead to denial of service or the execution of arbitrary code. [More...]
(Jul 6)

Several vulnerabilities have been discovered in Icedove, an unbranded version of the Thunderbird mail/news client. CVE-2011-0083 / CVE-2011-2363 [More...]
(Jul 5)

It was discovered that BIND, a DNS server, does not correctly process certain UPDATE requests, resulting in a server crash and a denial of service. This vulnerability affects BIND installations even if they do not actually use dynamic DNS updates. [More...]
(Jul 2)

Richard Silverman discovered that when doing GSSAPI authentication, libcurl unconditionally performs credential delegation. This hands the server a copy of the client's security credentials, allowing the server to impersonate the client to any other using the same GSSAPI mechanism. [More...]
(Jul 1)

It was discovered that incorrect sanitising of virtio queue commands in KVM, a solution for full virtualization on x86 hardware, could lead to denial of service of the execution of arbitrary code. [More...]
(Jul 1)

Several vulnerabilities have been found in the Iceape internet suite, an unbranded version of Seamonkey: CVE-2011-0083 / CVE-2011-2363 [More...]
(Jul 1)

The update for CVE-2010-2531 for the old stabledistribution (lenny) introduced a regression, which lead to additional output being written to stdout. [More...]
(Jul 1)

Several vulnerabilities have been found in Iceweasel, a web browser based on Firefox: CVE-2011-0083 / CVE-2011-2363 [More...]
(Jul 1)

It was discovered that Perl's Safe module - a module to compile and execute code in restricted compartments - could by bypassed. Please note that this update is known to break Petal, an XML-based [More...]
Red Hat: 2011:0926-01: bind: Important Advisory (Jul 7)

Updated bind and bind97 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 [More...]
Red Hat: 2011:0919-01: qemu-kvm: Important Advisory (Jul 5)

Updated qemu-kvm packages that fix two 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: 2011:0920-01: krb5-appl: Important Advisory (Jul 5)

Updated krb5-appl 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: 2011:0918-01: curl: Moderate Advisory (Jul 5)

Updated curl packages that fix one security issue are now available for Red Hat Enterprise Linux 4, 5, and 6. The Red Hat Security Response Team has rated this update as having moderate [More...]
Ubuntu: 1164-1: Linux kernel vulnerabilities (i.MX51) (Jul 6)

Multiple kernel flaws have been fixed.
Ubuntu: 1162-1: Linux kernel vulnerabilities (Marvell Dove) (Jul 5)

Multiple kernel flaws have been fixed.
Ubuntu: 1163-1: Bind vulnerability (Jul 5)

An attacker could send crafted input to Bind and cause it to crash.
Pardus: 2011-91: lftp: MITM (Jul 7)

A vulnerability has been fixed in lftp.
Pardus: 2011-90: Perl: Assertion Failure (Jul 7)

A vulnerability has been fixed in perl.
Pardus: : Security Summary: Summary (Jul 7)

A vulnerability has been fixed in openssh.