
March 11th, 2008
by Larry Dignan
Microsoft on Tuesday delivered several patches to fix critical vulnerabilities in Office including a well-publicized Excel flaw. In the first bulletin (MS08-014), Microsoft addressed “several privately reported and publicly reported vulnerabilities in Microsoft Office Excel that could allow remote code execution if a user opens a specially crafted Excel file.” This vulnerability allowed a remote attacker to take control of a system, install, view and change data and create new accounts. The CVE numbers for these vulnerabilities include:
* Excel Data Validation Record Vulnerability (CVE-2008-0111)
* Excel File Import Vulnerability (CVE-2008-0112)
* Excel Style Record Vulnerability (CVE-2008-0114)
* Excel Formula Parsing Vulnerability (CVE-2008-0115)
* Excel Rich Text Validation Vulnerability (CVE-2008-0116)
* Excel Conditional Formatting Vulnerability (CVE-2008-0117)
* Macro Validation Vulnerability (CVE-2008-0081)
These Excel flaws were discovered in January and left unpatched last month. The list of folks finding these Excel vulnerabilities is long. Mike Scott of SAIC, Matt Richard of VeriSign, Greg MacManus of iDefense Labs, Yoshiya Sasaki of JFE Systems, Bing Liu of Fortinet, Cody Pierce of TippingPoint DVLabs and Moti Joseph and Dan Hubbard of Websense Security Labs all had a hand in pointing out the various vulnerabilities.
According to Microsoft the update is critical for Microsoft Office Excel 2000 Service Pack 3 and rated Important for Excel 2002 Service Pack 3, Excel 2003 Service Pack 2, Excel Viewer 2003, Excel 2007, Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats, Office 2004 for Mac, and Office 2008 for Mac.