Vulnerability CVE-2012-1891
Published: 2012-07-10   Modified: 2012-07-11

Description:
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."

See advisories in our WLB2 database:
Topic
Author
Date
High
Microsoft Internet Explorer MSADO CacheSize Remote Code Execution
Anonymous
23.08.2012

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
9.3/10
10/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Microsoft -> Data access components 
Microsoft -> Windows data access components 

 References:
http://www.us-cert.gov/cas/techalerts/TA12-192A.html
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-045
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14783
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