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TITLE:
Microsoft Internet Explorer Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA50237

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/50237/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=50237

RELEASE DATE:
2012-08-14

DISCUSS ADVISORY:
http://secunia.com/advisories/50237/#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/50237/

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=50237

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:
Four vulnerabilities have been reported in Internet Explorer, which
can be exploited by malicious people to compromise a user's system.

1) An error in the layout handling when accessing an improperly
initialised or deleted object can be exploited to corrupt memory.

2) A use-after-free error when asynchronously accessing NULL objects
can be exploited to dereference an already deleted object.

3) An error may cause a corrupted virtual function table that has
already been deleted to be accessed.

4) An integer overflow error in the JavaScript parsing when
calculating the size of an object in memory during a copy operation
can be exploited to corrupt memory.

Successful exploitation of the vulnerabilities allows execution of
arbitrary code.

SOLUTION:
Apply patches.

Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

PROVIDED AND/OR DISCOVERED BY:
The vendor credits:
1) GWSlabs via iDefense VCP.
2) Derek Soeder via SecuriTeam Secure Disclosure.
3) Sing-ting Tsai and Ming-Chieh Pan, Trend Micro.
4) Cris Neckar, Google Chrome Security Team.

ORIGINAL ADVISORY:
MS12-052 (KB2722913):
http://technet.microsoft.com/en-us/security/bulletin/MS12-052

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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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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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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