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Ubuntu: New OpenOffice.org packages fix security vulnerabilities

A stack-based buffer overflow was discovered in the Lotus Word Pro import filter in OpenOffice.org. The default compiler options for affected releases should reduce the vulnerability to a denial of service. Huzaifa Sidhpurwala discovered that OpenOffice.org could be made to crash if it opened a specially crafted Word document. Integer overflows were discovered in the graphics loading code of several different image types. If a user were tricked into opening a specially crafted file, an attacker could cause OpenOffice.org to crash or possibly execute arbitrary code with the privileges of the user invoking the program.

Sven Jacobi discovered an integer overflow when processing Escher graphics records. If a user were tricked into opening a specially crafted PowerPoint file, an attacker could cause OpenOffice.org to crash or possibly execute arbitrary code with the privileges of the user invoking the program.

Updated packages are available from security.ubuntu.com.

==========================================================================
Ubuntu Security Notice USN-1496-1
July 02, 2012

openoffice.org vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 10.04 LTS

Summary:

OpenOffice.org could be made to crash or potentially run programs as your
login if it opened a specially crafted file.

Software Description:
- openoffice.org: Office productivity suite

Details:

A stack-based buffer overflow was discovered in the Lotus Word Pro import
filter in OpenOffice.org. The default compiler options for affected
releases should reduce the vulnerability to a denial of service.
(CVE-2011-2685)

Huzaifa Sidhpurwala discovered that OpenOffice.org could be made to crash
if it opened a specially crafted Word document. (CVE-2011-2713)

Integer overflows were discovered in the graphics loading code of several
different image types. If a user were tricked into opening a specially
crafted file, an attacker could cause OpenOffice.org to crash or possibly
execute arbitrary code with the privileges of the user invoking the
program. (CVE-2012-1149)

Sven Jacobi discovered an integer overflow when processing Escher graphics
records. If a user were tricked into opening a specially crafted PowerPoint
file, an attacker could cause OpenOffice.org to crash or possibly execute
arbitrary code with the privileges of the user invoking the program.
(CVE-2012-2334)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 10.04 LTS:
 openoffice.org-core             1:3.2.0-7ubuntu4.3

After a standard system update you need to restart OpenOffice.org to make
all the necessary changes.

References:
 http://www.ubuntu.com/usn/usn-1496-1
 CVE-2011-2685, CVE-2011-2713, CVE-2012-1149, CVE-2012-2334

Package Information:
 https://launchpad.net/ubuntu/+source/openoffice.org/1:3.2.0-7ubuntu4.3
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