Microsoft Security Bulletin MS12-063 - Critical

ronjor · Sep 21, 2012

Cumulative Security Update for Internet Explorer (2744842)

Published: Friday, September 21, 2012

Version: 1.0
General Information
Executive Summary

This security update resolves one publicly disclosed and four privately reported vulnerabilities in Internet Explorer. The most severe vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Internet Explorer. An attacker who successfully exploited any of these vulnerabilities could gain the same user rights as the current user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.

This security update is rated Critical for Internet Explorer 6, Internet Explorer 7, Internet Explorer 8, and Internet Explorer 9 on Windows clients and Moderate for Internet Explorer 6, Internet Explorer 7, Internet Explorer 8, and Internet Explorer 9 on Windows servers. Internet Explorer 10 is not affected. For more information, see the subsection, Affected and Non-Affected Software, in this section.

The security update addresses the vulnerabilities by modifying the way that Internet Explorer handles objects in memory. For more information about the vulnerabilities, see the Frequently Asked Questions (FAQ) subsection for the specific vulnerability entry under the next section, Vulnerability Information.

This security update also addresses the vulnerability first described in Microsoft Security Advisory 2757760.

Recommendation. Most customers have automatic updating enabled and will not need to take any action because this security update will be downloaded and installed automatically. Customers who have not enabled automatic updating need to check for updates and install this update manually. For information about specific configuration options in automatic updating, see Microsoft Knowledge Base Article 294871.

For administrators and enterprise installations, or end users who want to install this security update manually, Microsoft recommends that customers apply the update immediately using update management software, or by checking for updates using the Microsoft Update service.
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https://technet.microsoft.com/en-us/security/bulletin/ms12-063

ronjor · Sep 21, 2012

Microsoft releases MS12-063 – Cumulative Security Update for Internet Explorer
MSRCTeam
21 Sep 2012 10:07 AM

Today we released Security Update MS12-063 to address limited attacks against a small number of computers through a vulnerability in Internet Explorer versions 9 and earlier. The majority of customers have automatic updates enabled and will not need to take any action because protections will be downloaded and installed automatically. For those manually updating, we encourage you to apply this update as quickly as possible.

In addition to addressing the issue described in Security Advisory 2757760, MS12-063 also resolves four privately disclosed vulnerabilities that are currently not being exploited.
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https://blogs.technet.com/b/msrc/ar...te-for-internet-explorer.aspx?Redirected=true

siljaline · Sep 21, 2012

MS12-063 applied, a reboot was required. No issues, thus far.

Page42 · Sep 21, 2012

Got the updates Ron, for both XP and W7.
Like siljaline, a reboot was required. Also no issues, so far.
Thanks for the always good info!

kC_ · Sep 21, 2012

siljaline said:

MS12-063 applied, a reboot was required. No issues, thus far.
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phew what a relief you have done it thanks so much for posting

The Hammer · Sep 21, 2012

Same no issues. Although it did ask if I wanted to make IE the default browser,which it already was.

Dark Shadow · Sep 21, 2012

Yikes I have not updated yet.Since my kids took over all the windows systems, its like pulling a binky out of a baby's mouth. Thanks ron,I wasn't aware of the security vulnerability.

Dragon1952 · Sep 21, 2012

ronjor said:

https://technet.microsoft.com/en-us/security/bulletin/ms12-063
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Should i keep using EMET 3.0 that i installed or can i get rid of it. If i should keep EMET do i leave it as is or have to do any config and add iexplorer.exe as a configured app..

ronjor · Sep 21, 2012

Keep it. Learn it and use it. http://support.microsoft.com/kb/2458544

elapsed · Sep 22, 2012

EMET is your best friend

Securon · Sep 22, 2012

Good Morning ! The update popped up on my sys tray this morning...I promptly installed. Thanks for the heads up ronjor. Sincerely...Securon

ronjor · Sep 22, 2012

Good to see everyone keeping their software updated.

siljaline · Sep 23, 2012

Be sure your Browser settings are set to IE, assuming you want IE as your default Browser.

The Hammer said:

Same no issues. Although it did ask if I wanted to make IE the default browser,which it already was.
Click to expand...

Dark Shadow · Sep 23, 2012

Updated finally after getting the kids to sleep.It would have done so automatic but being in Shadow Mode full time the updates get trashed on every reboot.A small inconvenience to keep the system safe.

siljaline · Sep 24, 2012

Microsoft Could Have Known About IE Security Flaw In Advance

It has been suggested that Microsoft knew about the recent IE security flaw which hit its Internet Explorer browser last week, almost two months before it came to the attention of the experts.

On 15 September, Microsoft acknowledged that an IE security flaw was being actively targeted for attacks using a previously unknown and unpatched vulnerability, after it was identified by Romang, a security researcher from the Metasploit project.

The vulnerability was present in Internet Explorer 9 and earlier versions. According to Microsoft, it “could allow remote code execution if a user views a specially crafted webpage using Internet Explorer.” An attacker who successfully exploited this vulnerability “could gain the same user rights as the current user.”
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