#VU1276 Memory corruption in Microsoft products - CVE-2009-0087
Vulnerability identifier: #VU1276
Vulnerability risk: Critical
CVSSv4.0: 8.6 [CVSS:4.0/AV:N/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-2009-0087
CWE-ID:
CWE-119
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Windows
Operating systems & Components /
Operating system
Windows Server
Operating systems & Components /
Operating system
Microsoft Word
Client/Desktop applications /
Office applications
Microsoft Office
Client/Desktop applications /
Office applications
Vendor: Microsoft
Description
The vulnerability alows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to buffer overflow when process documents in Microsoft WordPad and Microsoft Office converter. A remote attacker can create a specially crafted Word file containing a malformed data, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system with privileges of the current user.
Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.
Note: the vulnerability was being actively exploited.
Mitigation
Install update from vendor's website:
Microsoft Windows 2000 Service Pack 4:
https://www.microsoft.com/downloads/details.aspx?familyid=552d322a-5282-42c7-9c1e-1d8c494a7318
Windows XP Service Pack 2:
https://www.microsoft.com/downloads/details.aspx?familyid=50a8519a-503e-43dd-a78a-c1bc764fd213
Windows XP Professional x64 Edition and Windows XP Professional x64 Edition Service Pack 2:
https://www.microsoft.com/downloads/details.aspx?familyid=323f4211-5add-4e02-bce1-e5a1b489982c
Windows Server 2003 Service Pack 1 and Windows Server 2003 Service Pack 2:
https://www.microsoft.com/downloads/details.aspx?familyid=2233a4d2-7c8a-4c89-b020-100d9afb43c8
Windows Server 2003 x64 Edition and Windows Server 2003 x64 Edition Service Pack 2:
https://www.microsoft.com/downloads/details.aspx?familyid=323f4211-5add-4e02-bce1-e5a1b489982c
Windows Server 2003 with SP1 for Itanium-based Systems and Windows Server 2003 with SP2 for Itanium-based Systems:
https://www.microsoft.com/downloads/details.aspx?familyid=e840b9cb-f1f4-482a-aa07-eb6b42b477c4
Microsoft Office Word 2000 Service Pack 3:
https://www.microsoft.com/downloads/details.aspx?familyid=95876927-e612-414c-bdec-3632a3100415
Microsoft Office Word 2002 Service Pack 3:
https://www.microsoft.com/downloads/details.aspx?familyid=e1db55c6-78fb-498d-89a5-9ad54d971546
Vulnerable software versions
Windows: XP, 2000
Microsoft Word: 2000, 2002
Microsoft Office: 2000, 2003
Windows Server: 2003
External links
https://technet.microsoft.com/en-us/library/security/ms09-010.aspx
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
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.
