Content

(MS08-067) Microsoft Windows Server Service Vulnerability (958644)

Type
Logic error
Impact of exploitation
Remote Code Execution
User Interaction
no user interaction is needed
Attack Vector
Malicious local network traffic
Rating
Critical
CVE reference
CVE-2008-4250,
Vendor Status
Responded and patched
Vulnerable systems
Windows  2000 SP4,
Windows  XP SP3,
Windows  XP X64 SP2,
Windows  2003 SP2,
Windows 2003 x64  SP2,
Windows  2003 Itanium SP2,
Windows  Vista SP1,
Windows  Vista X64 SP1,
Windows  2008,
Summary
A vulnerability exists, in Microsoft Windows Server Service, which may allow for remote code execution.

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Description

The Microsoft Server Service allows for local resource sharing via RPC. A vulnerability exists, in Microsoft Windows Server Service, which may allow for remote code execution. The flaw lies in the improper handling of specially-crafted (malicious) RPC requests. In a successful attack scenario, an attacker could potentially take full control of a target system via this vulnerability.

McAfee Product Mitigation & Recommendations

Recommendations

Download and install the patch available from Microsoft(958644): http://www.microsoft.com/technet/security/Bulletin/MS08-067.mspx

McAfee Product Mitigation

McAfee Foundstone
Signature:
(MS08-067) Microsoft Windows Server Service Vulnerability (958644)
Signature identifier:
6190
Release date:
10/23/2008
McAfee Foundstone
Signature:
(MS08-067) Microsoft Windows Server Service Vulnerability Intrusive (958644)
Signature identifier:
44006
Release date:
10/25/2008
McAfee Foundstone
Signature:
(MS08-067) Microsoft Windows Server Service Vulnerability (958644)
Signature identifier:
6191
Release date:
11/5/2008
McAfee Intrushield
Signature:
NETBIOS-SS: Microsoft Server Service Remote Code Execution Vulnerability
Signature identifier:
0x40709D00
Release date:
10/23/2008
First released in:
3.1.73.10, 4.1.36.11, 5.1.6.8
McAfee Intrushield
Signature:
DCERPC: SRVSVC Buffer Overflow
Signature identifier:
0x47602E00
Release date:
8/8/2006
First released in:
3.1.1, 4.1.1
McAfee Host IPS

Generic Buffer Overflow is expected. "Windows Server Service Buffer Overflow Vulnerability (Tighter Security)", signature id 3768, can provide partial coverage. The 3961 Signature (released October 28) will block Denial of Service and code execution exploits associated with MS08-067 on HIPS.

Signature:
Signature 3961
Signature identifier:
3961
Release date:
10/28/2008
McAfee VirusScan Enterprise 8.0i (VSE8.0i) / Managed Virus Scan (MVS) Buffer Overflow Protection

Buffer overflow protection is expected to cover future code-execution exploits.

Signature:
Buffer Overflow Protection
Release date:
10/23/2008
McAfee VirusScan Enterprise 8.5i (VSE8.5i) /Total Protection for Small Business (ToPS SB) Buffer Overflow Protection

Buffer overflow protection is expected to cover future code-execution exploits.

Signature:
Buffer Overflow Protection
Release date:
10/23/2008

Additional Resources

Vulnerability in Server Service Could Allow Remote Code Execution (958644)

http://www.microsoft.com/technet/security/bulletin/ms08-067.mspx

All Information

Timeline -

11/16/2008

A proof of concept has been released.

10/23/2008

Vendor has provided a patch.

10/23/2008

A proof of concept has been released.

10/23/2008

Exploit code has been released.

Description -

The Microsoft Server Service allows for local resource sharing via RPC. A vulnerability exists, in Microsoft Windows Server Service, which may allow for remote code execution. The flaw lies in the improper handling of specially-crafted (malicious) RPC requests. In a successful attack scenario, an attacker could potentially take full control of a target system via this vulnerability.

McAfee Product Mitigation & Recommendations

Recommendations -

Download and install the patch available from Microsoft(958644): http://www.microsoft.com/technet/security/Bulletin/MS08-067.mspx

McAfee Product Mitigation

McAfee Foundstone
Signature:
(MS08-067) Microsoft Windows Server Service Vulnerability (958644)
Signature identifier:
6190
Release date:
10/23/2008
McAfee Foundstone
Signature:
(MS08-067) Microsoft Windows Server Service Vulnerability Intrusive (958644)
Signature identifier:
44006
Release date:
10/25/2008
McAfee Foundstone
Signature:
(MS08-067) Microsoft Windows Server Service Vulnerability (958644)
Signature identifier:
6191
Release date:
11/5/2008
McAfee Intrushield
Signature:
NETBIOS-SS: Microsoft Server Service Remote Code Execution Vulnerability
Signature identifier:
0x40709D00
Release date:
10/23/2008
First released in:
3.1.73.10, 4.1.36.11, 5.1.6.8
McAfee Intrushield
Signature:
DCERPC: SRVSVC Buffer Overflow
Signature identifier:
0x47602E00
Release date:
8/8/2006
First released in:
3.1.1, 4.1.1
McAfee Host IPS

Generic Buffer Overflow is expected. "Windows Server Service Buffer Overflow Vulnerability (Tighter Security)", signature id 3768, can provide partial coverage. The 3961 Signature (released October 28) will block Denial of Service and code execution exploits associated with MS08-067 on HIPS.

Signature:
Signature 3961
Signature identifier:
3961
Release date:
10/28/2008
McAfee VirusScan Enterprise 8.0i (VSE8.0i) / Managed Virus Scan (MVS) Buffer Overflow Protection

Buffer overflow protection is expected to cover future code-execution exploits.

Signature:
Buffer Overflow Protection
Release date:
10/23/2008
McAfee VirusScan Enterprise 8.5i (VSE8.5i) /Total Protection for Small Business (ToPS SB) Buffer Overflow Protection

Buffer overflow protection is expected to cover future code-execution exploits.

Signature:
Buffer Overflow Protection
Release date:
10/23/2008

Additional Resources

Additional Resources -

Vulnerability in Server Service Could Allow Remote Code Execution (958644)

http://www.microsoft.com/technet/security/bulletin/ms08-067.mspx