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TITLE:
Microsoft Visio Two Memory Corruption Vulnerabilities

SECUNIA ADVISORY ID:
SA43254

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/43254/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=43254

RELEASE DATE:
2011-02-11

DISCUSS ADVISORY:
http://secunia.com/advisories/43254/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/43254/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=43254

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
Two vulnerabilities have been reported in Microsoft Visio, which can
be exploited by malicious people to compromise a user's system.

1) An error in ormelems.dll when parsing the VisioDocument stream can
be exploited to dereference an object that has not been completely
initialised via a specially crafted Visio file.

2) An error in elements.dll when parsing certain structures can be
exploited to corrupt memory via a specially crafted Visio file.

Successful exploitation of the vulnerabilities may allow execution of
arbitrary code.

SOLUTION:
Apply patches.

Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

PROVIDED AND/OR DISCOVERED BY:
1) Procyun via ZDI

The vendor also credits:
1,2) Xin Ouyang, Palo Alto Networks.

ORIGINAL ADVISORY:
MS11-008 (KB2451879, KB2434711, KB2434733, KB2434737):
http://www.microsoft.com/technet/security/bulletin/ms11-008.mspx

ZDI:
http://www.zerodayinitiative.com/advisories/ZDI-11-063/

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

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Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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