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
CWE-ID CWE-120
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
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Windows
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

EUVDB-ID: #VU1258

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

Description

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.

Mitigation

Install update from vendor's website:

Microsoft Windows 2000 Service Pack 4:
https://www.microsoft.com/downloads/details.aspx?familyid=E22EB3AE-1295-4FE2-9775-6F43C5C2AED3
https://technet.microsoft.com/library/security/ms06-040
Windows XP Service Pack 2:
https://www.microsoft.com/downloads/details.aspx?familyid=0D5F9B6E-9265-44B9-A376-2067B73D6A03
https://technet.microsoft.com/library/security/ms06-040
Windows XP Service Pack 3:
https://www.microsoft.com/downloads/details.aspx?familyid=0D5F9B6E-9265-44B9-A376-2067B73D6A03
Windows XP Professional x64 Edition:
https://www.microsoft.com/downloads/details.aspx?familyid=4C16A372-7BF8-4571-B982-DAC6B2992B25
https://technet.microsoft.com/library/security/ms06-040
Windows XP Professional x64 Edition Service Pack 2:
https://www.microsoft.com/downloads/details.aspx?familyid=4C16A372-7BF8-4571-B982-DAC6B2992B25
Windows Server 2003 Service Pack 1:
https://www.microsoft.com/downloads/details.aspx?familyid=F26D395D-2459-4E40-8C92-3DE1C52C390D
https://technet.microsoft.com/library/security/ms06-040
Windows Server 2003 Service Pack 2:
https://www.microsoft.com/downloads/details.aspx?familyid=F26D395D-2459-4E40-8C92-3DE1C52C390D
Windows Server 2003 x64 Edition:
https://www.microsoft.com/downloads/details.aspx?familyid=C04D2AFB-F9D0-4E42-9E1F-4B944A2DE400
https://technet.microsoft.com/library/security/ms06-040
Windows Server 2003 x64 Edition Service Pack 2:
https://www.microsoft.com/downloads/details.aspx?familyid=C04D2AFB-F9D0-4E42-9E1F-4B944A2DE400
Windows Server 2003 with SP1 for Itanium-based Systems:
https://www.microsoft.com/downloads/details.aspx?familyid=AB590756-F11F-43C9-9DCC-A85A43077ACF
https://technet.microsoft.com/library/security/ms06-040
Windows Server 2003 with SP2 for Itanium-based Systems:
https://www.microsoft.com/downloads/details.aspx?familyid=AB590756-F11F-43C9-9DCC-A85A43077ACF
Windows Vista and Windows Vista Service Pack 1:
https://www.microsoft.com/downloads/details.aspx?familyid=18FDFF67-C723-42BD-AC5C-CAC7D8713B21
Windows Vista x64 Edition and Windows Vista x64 Edition Service Pack 1:
https://www.microsoft.com/downloads/details.aspx?familyid=A976999D-264F-4E6A-9BD6-3AD9D214A4BD
Windows Server 2008 for 32-bit Systems:
https://www.microsoft.com/downloads/details.aspx?familyid=25C17B07-1EFE-43D7-9B01-3DFDF1CE0BD7
Windows Server 2008 for x64-based Systems:
https://www.microsoft.com/downloads/details.aspx?familyid=7B12018E-0CC1-4136-A68C-BE4E1633C8DF
Windows Server 2008 for Itanium-based Systems:
https://www.microsoft.com/downloads/details.aspx?familyid=2BCF89EF-6446-406C-9C53-222E0F0BAF7A

Vulnerable software versions

Windows: 2000, Vista, XP

Windows Server: 2003, 2008

CPE2.3 External links

http://technet.microsoft.com/en-us/library/security/ms08-067.aspx
http://technet.microsoft.com/library/security/ms06-040

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.



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