Buffer overflow in Microsoft Excel

Published: 2007-02-02 18:51:16 | Updated: 2016-12-06
Severity Critical
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2007-0671
CVSSv3 8.9 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C]
CWE ID CWE-119
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software Microsoft Office
Microsoft Project
Microsoft Office for Mac
Microsoft Visio
Word Viewer
Excel Viewer
Vulnerable software versions Microsoft Office 2000 Service Pack 3
Microsoft Office XP
Microsoft Office 2003
Microsoft Project 2000
Microsoft Project 2002
Microsoft Office for Mac 2004
Microsoft Visio 2002
Word Viewer 2003
Excel Viewer 2003
Vendor URL Microsoft

Security Advisory

1) Buffer overflow

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when handling malformed records in Excel files. A remote attacker can create a specially crafted Excel file, trick the victim into opening it and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Remediation

Install the following patch:

Microsoft Office 2000 Service Pack 3 — Download the update (KB 929062)

Microsoft Office XP Service Pack 3 — Download the update (KB929063)

Microsoft Office 2003 Service Pack 2 — Download the update (KB929064)

Microsoft Project 2000 Service Release 1 — Download the update (KB929062)

Microsoft Project 2002 Service Pack 1 — Download the update (KB929063)

Microsoft Visio 2002 Service Pack 2 — Download the update (KB929063)

Microsoft Office 2004 for Mac — Download the update (KB932185)

External links

https://technet.microsoft.com/library/security/932553
https://technet.microsoft.com/library/security/ms07-015

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