Microsoft Data Access Components up to 6.0 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.4$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Microsoft Data Access Components up to 6.0. This affects an unknown function. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2012-1891. Additionally, an exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Microsoft Data Access Components up to 6.0. It has been rated as critical. This issue affects some unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Heap-based buffer overflow in Microsoft Data Access Components (MDAC) 2.8 SP1 and SP2 and Windows Data Access Components (WDAC) 6.0 allows remote attackers to execute arbitrary code via crafted XML data that triggers access to an uninitialized object in memory, aka "ADO Cachesize Heap Overflow RCE Vulnerability."

The weakness was released 07/10/2012 by TippingPoint with Zero Day Initiative as MS12-045 as confirmed bulletin (Microsoft Technet). It is possible to read the advisory at technet.microsoft.com. The public release was coordinated with Microsoft. The identification of this vulnerability is CVE-2012-1891 since 03/22/2012. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a private exploit is available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 59908 (MS12-045: Vulnerability in Microsoft Data Access Components Could Allow Remote Code Execution (2698365)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 90817 (Microsoft Data Access Components Remote Code Execution Vulnerability (MS12-045)).

Applying the patch MS12-045 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. 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 12432.

The vulnerability is also documented in the databases at X-Force (76718), Tenable (59908), SecurityFocus (BID 54308†), OSVDB (83657†) and Secunia (SA49743†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.4

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 59908
Nessus Name: MS12-045: Vulnerability in Microsoft Data Access Components Could Allow Remote Code Execution (2698365)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902687
OpenVAS Name: Microsoft Windows Data Access Components Remote Code Execution Vulnerability (2698365)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: MS12-045
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

03/22/2012 🔍
07/10/2012 +110 days 🔍
07/10/2012 +0 days 🔍
07/10/2012 +0 days 🔍
07/10/2012 +0 days 🔍
07/10/2012 +0 days 🔍
07/10/2012 +0 days 🔍
07/10/2012 +0 days 🔍
07/11/2012 +1 days 🔍
07/11/2012 +0 days 🔍
07/12/2012 +1 days 🔍
01/02/2025 +4557 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS12-045
Researcher: TippingPoint
Organization: Zero Day Initiative
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2012-1891 (🔍)
GCVE (CVE): GCVE-0-2012-1891
GCVE (VulDB): GCVE-100-5651

OVAL: 🔍
IAVM: 🔍

X-Force: 76718
SecurityFocus: 54308 - Microsoft Data Access Components CVE-2012-1891 Buffer Overflow Vulnerability
Secunia: 49743 - Microsoft Windows Data Access Components Vulnerability, Highly Critical
OSVDB: 83657
Vulnerability Center: 35525 - [MS12-045] Microsoft MDAC 2.8 SP1 and SP2 and MDAC 6.0 Remote Code Execution via Crafted XML Data, Critical

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/12/2012 16:09
Updated: 01/02/2025 13:07
Changes: 07/12/2012 16:09 (80), 04/14/2017 14:10 (12), 03/26/2021 08:55 (2), 10/17/2024 23:04 (26), 01/02/2025 13:07 (2)
Complete: 🔍
Cache ID: 216:6AA:103

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