Microsoft Patches RCE Bug Actively Under Attack

A critical bug in a Microsoft scripting engine, under active attack, has been patched as part of Microsoft’s Patch Tuesday security roundup. The vulnerability exists in Internet Explorer and allows an attacker to execute rogue code if a victim is coaxed into visiting a malicious web page, or, if...

Office for Mac Users Warned of Malicious SYLK Files

Microsoft Office for Mac users are being warned that malicious SYLK files are sneaking past endpoint defenses even when the “disable all macros without notification” is turned on. This leaves systems vulnerable to a remote, unauthenticated attackers who can execute arbitrary code. The warning com...

Microsoft Office for Mac cannot properly disable XLM macros

Overview The Microsoft Office for Mac option "Disable all macros without notification" enables XLM macros without prompting, which can allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system. Description XLM macros Up to and including Microsoft Excel 4.0, a macro...

Microsoft Excel File Importing Code Execution (MS08-014; CVE-2008-0112)

Symbolic Link SYLK is a Microsoft file format typically used for the interchange of spreadsheet data between applications such as Microsoft Multiplan and Microsoft Excel. SYLK files conventionally have a .slk extension. From within a spreadsheet, data can be exported in the SYLK format. SYLK file...

SYLK Files (CVE-2008-0112)

Symbolic Link SYLK is a Microsoft file format typically used for exchanging data between applications, particularly spreadsheets. SYLK files conventionally have a .slk suffix. The vulnerability is due to an error in Microsoft Excel that fails to sufficiently validate file data when importing a fi...

CVE-1999-0794

Issue summary : Microsoft Excel does not warn users when a macro is present inside a Symbolic Link (SYLK) format file. What is affected : Excel’s handling of SYLK files containing macros (no warning prompt to the user). Root cause / nature of vulnerability : Absence of user warning in the SYLK ma...