Remote code execution in Microsoft Word
| Risk | Critical |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2007-3899 |
| CWE-ID | CWE-119 |
| Exploitation vector | Network |
| Public exploit | This vulnerability is being exploited in the wild. |
| Vulnerable software |
Microsoft Office Client/Desktop applications / Office applications Microsoft Office for Mac Client/Desktop applications / Office applications Microsoft Word Client/Desktop applications / Office applications |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one critical risk vulnerability.
1) Memory corruption
EUVDB-ID: #VU1241
Risk: Critical
CVSSv4.0: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]
CVE-ID: CVE-2007-3899
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when handling malformed strings in Word document. A remote attacker can create a specially crafted MS Word document, 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:
https://www.microsoft.com/downloads/details.aspx?FamilyId=8B3072FB-5933-47F7-A498-13A93E268E57
Microsoft Office XP Service Pack 3:
https://www.microsoft.com/downloads/details.aspx?FamilyId=D6B787BB-03FF-4F67-8B69-6011FB18BA7
Microsoft Office 2004 for Mac:
https://www.microsoft.com/mac/downloads.aspx#Office2004
Microsoft Office: XP - 2000
Microsoft Office for Mac: 2004
Microsoft Word: 2000 - 2002
CPE2.3- cpe:2.3:a:microsoft:microsoft_office:XP:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:microsoft_office:*:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:microsoft_office_for_mac:2004:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:microsoft_word:*:*:*:*:*:microsoft_office:*:*
https://technet.microsoft.com/en-us/library/security/ms07-060.aspx
Q & A
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 a file.
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.
