1. Ubuntu Security Notices
  2. USN-1495-1

USN-1495-1: LibreOffice vulnerabilities

Publication date

2 July 2012

Overview

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

Releases

Packages

Details

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 LibreOffice 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 LibreOffice to crash or possibly execute
arbitrary code with the privileges of the user invoking the program.
(CVE-2012-2334)

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 LibreOffice 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 LibreOffice to crash or possibly execute
arbitrary code with the privileges of the user invoking the program.
(CVE-2012-2334)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
11.10 oneiric libreoffice-l10n-common –  1:3.4.4-0ubuntu1.2
libreoffice-core –  1:3.4.4-0ubuntu1.2
11.04 natty libreoffice-l10n-common –  1:3.3.3-1ubuntu1.2
libreoffice-core –  1:3.3.4-0ubuntu1.2

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References

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