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Vulnerability of LibreOffice: denials of service

Synthesis of the vulnerability 

An attacker can create a malicious ODT/ODG/WMF/XLS document, and invite the victim to open it with LibreOffice, in order to stop it.
Impacted systems: Debian, LibreOffice, openSUSE, SUSE Linux Enterprise Desktop.
Severity of this alert: 1/4.
Number of vulnerabilities in this bulletin: 4.
Creation date: 02/11/2012.
Références of this alert: BID-56352, CERTA-2012-AVI-636, CVE-2012-4233, DSA-2570-1, HTB23106, openSUSE-SU-2012:1523-1, openSUSE-SU-2012:1686-1, openSUSE-SU-2013:0173-1, SUSE-SU-2012:1427-1, VIGILANCE-VUL-12107.

Description of the vulnerability 

The LibreOffice software uses filters to import different formats of documents. However several vulnerabilities were announced in these filters.

A malicious ODT document dereferences a NULL pointer. [severity:1/4]

A malicious ODG graphic dereferences a NULL pointer. [severity:1/4]

A WMF image containing a malicious PolyPolygon field dereferences a NULL pointer. [severity:1/4]

A malicious Excel document dereferences a NULL pointer. [severity:1/4]

An attacker can therefore create a malicious ODT/ODG/WMF/XLS document, and invite the victim to open it with LibreOffice, in order to stop it.
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This security note impacts software or systems such as Debian, LibreOffice, openSUSE, SUSE Linux Enterprise Desktop.

Our Vigil@nce team determined that the severity of this threat announce is low.

The trust level is of type confirmed by the editor, with an origin of document.

This bulletin is about 4 vulnerabilities.

An attacker with a expert ability can exploit this computer weakness announce.

Solutions for this threat 

LibreOffice: version 3.6.1.
The version 3.6.1 is corrected:
  http://www.libreoffice.org/download/

LibreOffice: version 3.5.7.
The version 3.5.7 is corrected:
  http://www.libreoffice.org/download/

Debian: new openoffice.org packages.
New packages are available:
  openoffice.org 1:3.2.1-11+squeeze8

openSUSE: new libreoffice packages.
New packages are available:
  openSUSE 11.4 : libreoffice-3.5.4.13-103.1
  openSUSE 12.1 : libreoffice-3.5.4.13-4.11.1
  openSUSE 12.2 : libreoffice-3.5.4.13-1.4.5

SUSE LE: new libreoffice packages.
New packages are available:
  SUSE LE 10 : libreoffice-3.5.4.13-0.7.1
  SUSE LE 11 : libreoffice-3.5.4.13-0.3.1
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