Secunia

Some vulnerabilities have been reported in Microsoft Excel, which can be exploited by malicious people to compromise a user's system.

1) A boundary error within the parsing of DATETIME records can be exploited to cause a buffer overflow via a specially crafted spreadsheet.

2) A boundary error within the parsing of STYLE records can be exploited to cause a buffer overflow via a specially crafted spreadsheet.

3) A boundary error when parsing Lotus 1-2-3 files can be exploited to cause a buffer overflow via a specially crafted file.

4) A boundary error within the parsing of COLINFO records can be exploited to cause a buffer overflow via a specially crafted spreadsheet.

Solution
Apply patches.
Further details available in Customer Area

Provided and/or discovered by
1) Manuel Santamarina Suarez.
2) Nanika
4) The vendor credits NSFocus Security Team.

Changelog
Further details available in Customer Area

Original Advisory
MS06-059 (KB924164):
http://www.microsoft.com/technet/security/Bulletin/MS06-059.mspx

ZDI:
http://www.zerodayinitiative.com/advisories/ZDI-06-033.html

Other references
Further details available in Customer Area

Deep Links
Links available in Customer Area