CVE Catalog

CVE-2006-3431

High
Published: Translated: NVD NIST

Summary

A buffer overflow vulnerability exists in certain Asian language versions of Microsoft Excel. A user-assisted attacker can execute arbitrary code by enticing a user to open a crafted spreadsheet containing a malicious STYLE record, which triggers the overflow when the user attempts to repair the document or selects the "Style" option.

Risk Assessment

This allows remote code execution in the context of the user, potentially leading to system compromise, data theft, or malware installation.

Recommendation

Update Microsoft Excel to the latest version that includes the security fix. Avoid opening suspicious spreadsheet files from untrusted sources.

Related vulnerabilities

Original NVD description (English source)

Buffer overflow in certain Asian language versions of Microsoft Excel might allow user-assisted attackers to execute arbitrary code via a crafted STYLE record in a spreadsheet that triggers the overflow when the user attempts to repair the document or selects the "Style" option, as demonstrated by nanika.xls. NOTE: Microsoft has confirmed to CVE via e-mail that this is different than the other Excel vulnerabilities announced before 20060707, including CVE-2006-3059 and CVE-2006-3086.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS