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Secunia Security Advisory 46400

Secunia Security Advisory 46400
Posted Oct 11, 2011
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Multiple vulnerabilities have been reported in Microsoft Internet Explorer, which can be exploited by malicious people to compromise a user's system.

tags | advisory, vulnerability
SHA-256 | 147256c223b2e602f643abdd11fc89e5e5912c44b01233a40693eacbe11e88bb

Secunia Security Advisory 46400

Change Mirror Download
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Read the new report on the Secunia VIM:
http://secunia.com/products/corporate/vim/ovum_2011_request/

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TITLE:
Microsoft Internet Explorer Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA46400

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/46400/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46400

RELEASE DATE:
2011-10-11

DISCUSS ADVISORY:
http://secunia.com/advisories/46400/#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/46400/

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=46400

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

1) A use-after-free error when handling the Scroll event can be
exploited to dereference an already freed object.

2) An error within OLEAuto32.dll when accessing an uninitialised
object can be exploited to corrupt memory.

3) A use-after-free error when handling the Option element can be
exploited to dereference an already freed object.

NOTE: This vulnerability does not affect Internet Explorer 9.

4) A use-after-free error when handling the OnLoad event can be
exploited to dereference an already freed object.

NOTE: This vulnerability only affects Internet Explorer 6.

5) An error within Jscript9.dll when accessing an uninitialised
object can be exploited to corrupt memory.

NOTE: This vulnerability only affects Internet Explorer 9.

6) An error when handling the Select element when accessing an
uninitialised object can be exploited to corrupt memory.

NOTE: This vulnerability only affects Internet Explorer 8.

7) A use-after-free error when handling the Body element can be
exploited to dereference an already freed object.

8) An error when handling certain objects can be exploited to corrupt
the virtual function table.

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) Vishwas Sharma, McAfee Labs.
2, 5) David Bloom, Greplin.
3, 6) Ivan Fratric via ZDI.
4) GWSlabs via iDefense.
7) Sebastian Apelt via ZDI.
8) An anonymous person via ZDI.

ORIGINAL ADVISORY:
MS11-081 (KB2586448):
http://technet.microsoft.com/en-us/security/bulletin/ms11-081

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/

----------------------------------------------------------------------

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.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

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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