If a user opens an untrusted StarCalc document it can potentially run arbitrary code supplied in the file.
This issue is also described in
CVE-2007-0238, http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-0238
All versions prior to OpenOffice.org 2.2
There are no predictable symptoms that would indicate the described issue has been exploited.
There is no workaround. See "Resolution" below.
This issue is addressed in the following releases:
OpenOffice.org 1.1.5 Patch, OpenOffice.org 2.2