Debian DSA-2270-1 : qemu-kvm - programming error

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 or the execution of arbitrary code. The oldstable distribution lenny is not affected by this problem. %NASLMINLEVEL 70300 C Tenable...

Debian DSA-2271-1 : curl - improper delegation of client credentials

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. This is...

Debian DSA-2265-1 : perl - lack of tainted flag propagation

Mark Martinec discovered that Perl incorrectly clears the tainted flag on values returned by case conversion functions such as 'lc'. This may expose preexisting vulnerabilities in applications which use these functions while processing untrusted input. No such applications are known at this stage...

Debian DSA-2263-2 : movabletype-opensource - several vulnerabilities

It was discovered that Movable Type, a weblog publishing system, contains several security vulnerabilities : A remote attacker could execute arbitrary code in a logged-in users' web browser. A remote attacker could read or modify the contents in the system under certain circumstances. %NASLMINLEV...

Debian DSA-2262-1 : moodle - several vulnerabilities

Several cross-site scripting and information disclosure issues have been fixed in Moodle, a course management system for online learning : - MSA-11-0002 Cross-site request forgery vulnerability in RSS block - MSA-11-0003 Cross-site scripting vulnerability in tag autocomplete - MSA-11-0008 IMS...

Debian DSA-2261-1 : redmine - several vulnerabilities

Joernchen of Phenoelit discovered several vulnerabilities in Redmine, a project management web application : - Logged in users may be able to access private data. - The Textile formatter allowed for cross site scripting, exposing sensitive data to an attacker. - The Bazaar repository adapter coul...

Debian DSA-2260-1 : rails - several vulnerabilities

Two vulnerabilities were discovered in Ruby on Rails, a web application framework. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2009-3086 The cookie store may be vulnerable to a timing attack, potentially allowing remote attackers to forge message...

Debian DSA-2259-1 : fex - authentication bypass

It was discovered that FEX, a web service for transferring very large files, is not properly validating authentication IDs. While the service properly validates existing authentication IDs, an attacker who is not specifying any authentication ID at all can bypass the authentication procedure. The...

Debian DSA-2258-1 : kolab-cyrus-imapd - implementation error

It was discovered that the STARTTLS implementation of the Kolab Cyrus IMAP server does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted IMAP, LMTP, NNTP and POP3 sessions by sending a cleartext command that is processed after TLS is i...

Debian DSA-2252-1 : dovecot - programming error

It was discovered that the message header parser in the Dovecot mail server parsed NUL characters incorrectly, which could lead to denial of service through malformed mail headers. The oldstable distribution lenny is not affected. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descripti...

Debian DSA-2253-1 : fontforge - buffer overflow

Ulrik Persson reported a stack-based buffer overflow flaw in FontForge, a font editor. When processed a crafted Bitmap Distribution Format BDF FontForge could crash or execute arbitrary code with the privileges of the user running FontForge. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. Th...

Debian DSA-2255-1 : libxml2 - buffer overflow

Chris Evans discovered that libxml was vulnerable to buffer overflows, which allowed a crafted XML input file to potentially execute arbitrary code. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from Debian Security...

Debian DSA-2239-1 : libmojolicious-perl - several vulnerabilities

Several vulnerabilities have been discovered in Mojolicious, a Perl Web Application Framework. The linkto helper was affected by cross-site scripting and implementation errors in the MD5 HMAC and CGI environment handling have been corrected. The oldstable distribution lenny doesn't include...

Debian DSA-2244-1 : bind9 - incorrect boundary condition

It was discovered that BIND, an implementation of the DNS protocol, does not correctly process certain large RRSIG record sets in DNSSEC responses. The resulting assertion failure causes the name server process to crash, making name resolution unavailable. CVE-2011-1910 In addition, this update...

Debian DSA-2241-1 : qemu-kvm - implementation error

Nelson Elhage discovered that incorrect memory handling during the removal of ISA devices in KVM, a solution for full virtualization on x86 hardware, could lead to denial of service or the execution of arbitrary code. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and...

Debian DSA-2250-1 : citadel - denial of service

Wouter Coekaerts discovered that the Jabber server component of Citadel, a complete and feature-rich groupware server, is vulnerable to the so-called'billion laughs' attack because it does not prevent entity expansion on received data. This allows an attacker to perform denial of service attacks...

Debian DSA-2251-1 : subversion - several vulnerabilities

Several vulnerabilities were discovered in Subversion, the version control system. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2011-1752 The moddavsvn Apache HTTPD server module can be crashed though when asked to deliver baselined WebDAV resources. ...

Debian DSA-2248-1 : ejabberd - denial of service

Wouter Coekaerts discovered that ejabberd, a distributed XMPP/Jabber server written in Erlang, is vulnerable to the so-called 'billion laughs' attack because it does not prevent entity expansion on received data. This allows an attacker to perform denial of service attacks against the service by...

Debian DSA-2245-1 : chromium-browser - several vulnerabilities

Several vulnerabilities were discovered in the Chromium browser. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2011-1292 Use-after-free vulnerability in the frame-loader implementation in Google Chrome allows remote attackers to cause a denial of servi...

Debian DSA-2256-1 : tiff - buffer overflow

Tavis Ormandy discovered that the Tag Image File Format TIFF library is vulnerable to a buffer overflow triggered by a crafted OJPEG file which allows for a crash and potentially execution of arbitrary code. The oldstable distribution lenny is not affected by this problem. %NASLMINLEVEL 70300 C...