[VulnWatch] Heap overflow in OpenOffice.org suite leads to code execution



Wade Alcorn of NGSSoftware has discovered a high risk heap overflow vulnerability in the OpenOffice.org suite which allows a 32-bit value to be written to an arbitrary location in memory. This may lead to command execution in the context of the current user.

Vulnerable Versions affected include:
Windows
OpenOffice.org Calc (2.0.2)
OpenOffice.org Draw (2.0.2)
OpenOffice.org Impress (2.0.2)
OpenOffice.org Math (2.0.2)
OpenOffice.org Writer (2.0.2)

Windows
OpenOffice.org Calc (2.0.1)
OpenOffice.org Draw (2.0.1)
OpenOffice.org Impress (2.0.1)
OpenOffice.org Math (2.0.1)
OpenOffice.org Writer (2.0.1)

Windows
OpenOffice.org Calc (1.1.5)
OpenOffice.org Draw (1.1.5)
OpenOffice.org Impress (1.1.5)
OpenOffice.org Writer (1.1.5)
OpenOffice.org HTML (1.1.5)

Linux
OpenOffice.org Calc (2.0.1.1)
OpenOffice.org Draw (2.0.1.1)
OpenOffice.org Impress (2.0.1.1)
OpenOffice.org Math (2.0.1.1)
OpenOffice.org Writer (2.0.1.1)

OpenOffice has released a patch and a new version that addresses this issue. The announcement can be found here: http://www.openoffice.org/security/CVE-2006-3117.html

Patches and the new version can be downloaded from the OpenOffice website: http://www.openoffice.org/

NGSSoftware are going to withhold details about these flaws for three months. This three month window will allow OpenOffice users the time needed to update before the details are released to the general public. This reflects NGSSoftware's approach to responsible disclosure. Our stated policy can be found here: http://www.ngssoftware.com/disclosure.pdf

NGSSoftware Insight Security Research
http://www.ngssoftware.com/
+44(0)208 401 0070