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Last updated: 5/2/2016 2:13:35 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2011-0027

Original release date: 01/11/2011
Last revised: 01/21/2013


Microsoft Data Access Components (MDAC) 2.8 SP1 and SP2, and Windows Data Access Components (WDAC) 6.0, does not properly validate memory allocation for internal data structures, which allows remote attackers to execute arbitrary code, possibly via a large CacheSize property that triggers an integer wrap and a buffer overflow, aka "ADO Record Memory Vulnerability." NOTE: this might be a duplicate of CVE-2010-1117 or CVE-2010-1118.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 9.3 HIGH
Impact Subscore: 10.0
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable - Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: MISC
Name: http://www.zerodayinitiative.com/advisories/ZDI-11-002/
External Source: SECTRACK
Name: 1024947
External Source: MS
Name: MS11-002
Type: Advisory; Patch Information
External Source: CONFIRM
Name: http://support.avaya.com/css/P8/documents/100124846
External Source: MISC
Name: http://vreugdenhilresearch.nl/ms11-002-pwn2own-heap-overflow/
US-CERT Vulnerability Note: CERT
Name: TA11-011A
External Source: BID
Name: 45698
External Source: OVAL
Name: oval:org.mitre.oval:def:12411
External Source: OSVDB
Name: 70444
External Source: VUPEN
Name: ADV-2011-0075
Type: Advisory

References to Check Content

Identifier: oval:org.mitre.oval:def:12411
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Technical Details

Vulnerability Type (View All)