Severity | Critical |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE ID | CVE-2007-0671 |
CWE ID | CWE-119 |
Exploitation vector | Network |
Public exploit | This vulnerability is being exploited in the wild. |
Vulnerable software |
Microsoft Office Subscribe
Microsoft Project Microsoft Office for Mac Microsoft Visio Word Viewer Excel Viewer |
Vendor | Microsoft |
This security advisory describes one critical risk vulnerability.
Severity: Critical
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] [PCI]
CVE-ID: CVE-2007-0671
CWE-ID:
CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
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.
MitigationInstall 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)
Vulnerable software versionsMicrosoft Office: 2000 Service Pack 3, 2003, XP
Microsoft Project: 2000, 2002
Microsoft Office for Mac: 2004
Microsoft Visio: 2002
Word Viewer: 2003
Excel Viewer: 2003
CPEhttps://technet.microsoft.com/library/security/932553
https://technet.microsoft.com/library/security/ms07-015
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website or open an attachment in an e-mail message.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.