Microsoft Windows SMB memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Microsoft Windows. This affects an unknown part of the component SMB. The manipulation results in memory corruption. This vulnerability is reported as CVE-2008-4038. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Microsoft Windows (Operating System) (affected version not known). Affected is some unknown functionality of the component SMB. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Buffer underflow in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008 allows remote attackers to execute arbitrary code via a Server Message Block (SMB) request that contains a filename with a crafted length, aka "SMB Buffer Underflow Vulnerability."

The bug was discovered 10/14/2008. The weakness was disclosed 10/14/2008 by Joshua Morin with Codenomicon as MS08-063 as confirmed bulletin (Technet). The advisory is shared for download at microsoft.com. This vulnerability is traded as CVE-2008-4038 since 09/10/2008. It is possible to launch the attack remotely. A authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

It is declared as proof-of-concept. As 0-day the estimated underground price was around $100k and more. The vulnerability scanner Nessus provides a plugin with the ID 34408 (MS08-063: Microsoft Windows SMB File Name Handling Remote Underflow (957095)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 90458 (Microsoft SMB Remote Code Execution Vulnerability (MS08-063)).

Upgrading eliminates this vulnerability. Applying the patch MS08-063 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 6464.

The vulnerability is also documented in the databases at X-Force (45560), Tenable (34408), SecurityFocus (BID 31647†), OSVDB (49057†) and Secunia (SA32249†). The entries VDB-3853, VDB-3851, VDB-3849 and VDB-3850 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.5

VulDB Base Score: 6.3
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 34408
Nessus Name: MS08-063: Microsoft Windows SMB File Name Handling Remote Underflow (957095)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 900053
OpenVAS Name: SMB Remote Code Execution Vulnerability (957095)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: MS08-063
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

09/10/2008 🔍
10/14/2008 +34 days 🔍
10/14/2008 +0 days 🔍
10/14/2008 +0 days 🔍
10/14/2008 +0 days 🔍
10/14/2008 +0 days 🔍
10/14/2008 +0 days 🔍
10/14/2008 +0 days 🔍
10/14/2008 +0 days 🔍
10/14/2008 +0 days 🔍
10/15/2008 +0 days 🔍
10/15/2008 +0 days 🔍
10/17/2008 +2 days 🔍
05/26/2025 +6065 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS08-063
Researcher: Joshua Morin
Organization: Codenomicon
Status: Confirmed

CVE: CVE-2008-4038 (🔍)
GCVE (CVE): GCVE-0-2008-4038
GCVE (VulDB): GCVE-100-3852

OVAL: 🔍

X-Force: 45560 - Microsoft Windows SMB file name buffer underflow, High Risk
SecurityFocus: 31647 - Microsoft Windows SMB Buffer Underflow Code Execution Vulnerability
Secunia: 32249
OSVDB: 49057 - Microsoft Windows SMB File Name Handling Remote Underflow
SecurityTracker: 1021049
Vulnerability Center: 19729 - [MS08-063] Microsoft Windows SMB Buffer Underflow Vulnerability, High
Vupen: ADV-2008-2814

See also: 🔍

Entryinfo

Created: 10/17/2008 16:56
Updated: 05/26/2025 04:03
Changes: 10/17/2008 16:56 (104), 08/18/2019 17:53 (1), 05/26/2025 04:03 (18)
Complete: 🔍
Cache ID: 216:7EC:103

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