Remote code execution in Microsoft Windows

Published: 2008-10-23 | Updated: 2016-12-13
Risk Critical
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2008-4250
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one critical risk vulnerability.

1) Buffer overflow


Risk: Critical

CVSSv3.1: 9.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C]

CVE-ID: CVE-2008-4250

CWE-ID: CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Exploit availability: Yes


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

The weakness exists due to buffer overflow during path canonicalization in Windows Server service. By sending a specially crafted RCP request, a remote attacker can cause memory corruption and execute arbitrary code with privileges of system account.

Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.

Note: this vulnerability was being actively exploited.


Install update from vendor's website:

Microsoft Windows 2000 Service Pack 4:
Windows XP Service Pack 2:
Windows XP Service Pack 3:
Windows XP Professional x64 Edition:
Windows XP Professional x64 Edition Service Pack 2:
Windows Server 2003 Service Pack 1:
Windows Server 2003 Service Pack 2:
Windows Server 2003 x64 Edition:
Windows Server 2003 x64 Edition Service Pack 2:
Windows Server 2003 with SP1 for Itanium-based Systems:
Windows Server 2003 with SP2 for Itanium-based Systems:
Windows Vista and Windows Vista Service Pack 1:
Windows Vista x64 Edition and Windows Vista x64 Edition Service Pack 1:
Windows Server 2008 for 32-bit Systems:
Windows Server 2008 for x64-based Systems:
Windows Server 2008 for Itanium-based Systems:

Vulnerable software versions

Windows: 2000, Vista, XP

Windows Server: 2003, 2008

CPE2.3 External links

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.