Remote code execution in Microsoft Word
| Risk | Critical |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2007-0870 |
| CWE-ID | CWE-119 |
| Exploitation vector | Network |
| Public exploit | This vulnerability is being exploited in the wild. |
| Vulnerable software Subscribe |
Microsoft Office Client/Desktop applications / Office applications Microsoft Word Client/Desktop applications / Office applications Works Suite Client/Desktop applications / Other client software |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one critical risk vulnerability.
1) Memory corruption
EUVDB-ID: #VU1251
Risk: Critical
CVSSv3.1: 8.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C]
CVE-ID: CVE-2007-0870
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 stream 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 update from vendor's website:
Microsoft Office 2000 Service Pack 3:
https://www.microsoft.com/downloads/details.aspx?FamilyId=F25020F5-17C7-4A60-9088-944FFACB5F19
Microsoft Office XP Service Pack 3:
https://www.microsoft.com/downloads/details.aspx?FamilyId=0FE4F405-A568-4F15-B2C6-02D4A4B58E43
- Microsoft Works Suite 2004 - Download the update (KB934394) (same as the Microsoft Word 2002 update)
- Microsoft Works Suite 2005 - Download the update (KB934394) (same as the Microsoft Word 2002 update)
- Microsoft Works Suite 2006 - Download the update (KB934394) (same as the Microsoft Word 2002 update)
Microsoft Office: 2000 - XP
Works Suite: 2004 - 2006
Microsoft Word: 2000 - 2002
External linkshttp://technet.microsoft.com/en-us/library/security/933052.aspx
http://technet.microsoft.com/library/security/ms07-024
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.
